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Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/10-comments-01.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/10-comments.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
// A single line comment.
/* A multi line comment.
*
*/
/**
* A doc comment starts with two asterisks.
*
* It summarises the purpose of a definition, such as a
* function, class or method.
*/
function foo(): void {} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/13-names-01.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/13-names.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class Data {
const int MAX_VALUE = 100;
private int $value = 0;
/* ... */
}
interface ICollection { /* ... */ }
enum Position: int {
Top = 0;
Bottom = 1;
Left = 2;
Right = 3;
Center = 4;
}
function compute(int $val): void {
$count = $val + 1;
/* ... */
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-01.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$val = true;
if ($val === false) {
// ...
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-02.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$count = 10; // decimal 10
0b101010 >> 4; // binary 101010 and decimal 4
0XAf << 012; // hexadecimal Af and octal 12
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-03.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$amount = 394_493_392; // completely equivalent to 394493392
$address = 0x49AD_DF30;
$permission = 012_212_001;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-04.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
123.456 + 0.6E27 + 2.34e-3;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-05.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
123_456.49_30e-30_30;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-06.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
'Welcome to Hack!';
'Can embed a single quote (\') and a backslash (\\) like this';
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-07.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
"Welcome to Hack!";
"Can embed a double quote (\") and a backslash (\\) like this";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-08.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
"First line 1\nSecond line 2\n\nFourth line\n";
"Can embed a double quote (\") and a backslash (\\) like this";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-09.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class C {
public int $p1 = 2;
}
<<__EntryPoint>>
function main(): void {
$x = 123;
echo ">\$x.$x"."<\n";
$myC = new C();
echo "\$myC->p1 = >$myC->p1<\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-10.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function has_default_arg(num $arg, ?num $base = null): void {} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/19-literals-11.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/19-literals.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
type IdSet = shape('id' => ?string, 'url' => ?string, 'count' => int);
function get_IdSet(): IdSet {
return shape('id' => null, 'url' => null, 'count' => 0);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/28-constants-01.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/28-constants.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
const int MAX_COUNT = 123;
class C {
const float MAX_HEIGHT = 10.5;
const float UPPER_LIMIT = C::MAX_HEIGHT;
}
<<__EntryPoint>>
function main(): void {
echo "MAX_COUNT = ".MAX_COUNT."\n";
echo "MAX_HEIGHT = ".C::MAX_HEIGHT."\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/31-variables-01.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/31-variables.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function do_it(bool $p1): void {
$count = 10;
// ...
if ($p1) {
$message = "Can't open file.";
// ...
}
// ...
}
function call_it(): void {
do_it(true);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/31-variables-02.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/31-variables.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function f(): void {
$lv = 1;
echo "\$lv = $lv\n";
++$lv;
}
<<__EntryPoint>>
function main(): void {
for ($i = 1; $i <= 3; ++$i)
f();
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/31-variables-03.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/31-variables.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$colors1 = vec["green", "yellow"]; // create a vec of two elements
$colors1[] = "blue"; // add element 2 with value "blue"
$colors2 = dict[]; // create an empty dict
$colors2[4] = "black"; // create element 4 with value "black"
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/37-namespaces-01.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/37-namespaces.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
namespace NS1;
// ... // __NAMESPACE__ is "NS1"
namespace NS3\Sub1;
// ... // __NAMESPACE__ is "NS3\Sub1" |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/37-namespaces-02.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/37-namespaces.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
namespace NS1 {
// __NAMESPACE__ is "NS1"
}
namespace {
// __NAMESPACE__ is ""
}
namespace NS3\Sub1 {
// __NAMESPACE__ is "NS3\Sub1"
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/02-source-code-fundamentals/37-namespaces-03.hack | // @generated by hh_manual from manual/hack/02-source-code-fundamentals/37-namespaces.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
namespace NS1 {
const int CON1 = 100;
function f(): void {
echo "In ".__FUNCTION__."\n";
}
class C {
const int C_CON = 200;
public function f(): void {
echo "In ".__NAMESPACE__."...".__METHOD__."\n";
}
}
interface I {
const int I_CON = 300;
}
trait T {
public function f(): void {
echo "In ".__TRAIT__."...".__NAMESPACE__."...".__METHOD__."\n";
}
}
}
namespace NS2 {
use type NS1\{C, I, T};
class D extends C implements I {
use T;
}
function f(): void {
$d = new D();
echo "CON1 = ".\NS1\CON1."\n";
\NS1\f();
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/09-echo-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/09-echo.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$v1 = true;
$v2 = 123.45;
echo '>>'.$v1.'|'.$v2."<<\n"; // outputs ">>1|123.45<<"
$v3 = "abc{$v2}xyz";
echo "$v3\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/10-exit-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/10-exit.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
exit ("Closing down\n");
exit (1);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/13-list-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/13-list.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$tuple = tuple('one', 'two', 'three');
list($one, $two, $three) = $tuple;
echo "1 -> {$one}, 2 -> {$two}, 3 -> {$three}\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/13-list-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/13-list.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
<<__EntryPoint>>
function main(): void {
$tuple = tuple('string', 1, false);
list($string, $int, $bool) = $tuple;
takes_string($string);
takes_int($int);
takes_bool($bool);
echo 'The typechecker understands the types of list().';
}
function takes_string(string $_): void {}
function takes_int(int $_): void {}
function takes_bool(bool $_): void {} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/13-list-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/13-list.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$tuple = tuple('a', 'b', 'c', 1, 2, 3);
list($_, $b, $c, $_, $two, $_) = $tuple;
echo "b -> {$b}, c -> {$c}, two -> {$two}\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/13-list-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/13-list.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$a = tuple(1, 2);
// BAD, since $a is used on the right and on the left!
list($a, $b) = $a;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/13-list-05.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/13-list.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$tuple = tuple('top level', tuple('inner', 'nested'));
list($top_level, list($inner, $nested)) = $tuple;
echo "top level -> {$top_level}, inner -> {$inner}, nested -> {$nested}\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/13-list-06.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/13-list.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$vec_of_tuples = vec[
tuple('A', 'B', 'C'),
tuple('a', 'b', 'c'),
tuple('X', 'Y', 'Z'),
];
foreach ($vec_of_tuples as list($first, $second, $third)) {
echo "{$first} {$second} {$third}\n";
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/21-new-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/21-new.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class Point {
private static int $pointCount = 0; // static property with initializer
private float $x; // instance property
private float $y; // instance property
public function __construct(num $x = 0, num $y = 0) { // instance method
$this->x = (float)$x; // access instance property
$this->y = (float)$y; // access instance property
++Point::$pointCount; // include new Point in Point count
}
}
function main(): void {
$p1 = new Point(); // create Point(0.0, 0.0)
$p2 = new Point(5, 6.7); // create Point(5.0, 6.7)
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/21-new-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/21-new.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
final class C {}
function f(classname<C> $clsname): void {
$w = new $clsname();
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/25-subscript-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/25-subscript.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$text = "Hello";
$e = $text[4]; // designates the element with key 4 value "o"
$text[1] = "?"; // changes the element with key 1 from "e" to "?"
$v = vec[10, 25, -6];
$e = $v[1]; // designates the element with key 1 value 25
$v[2] = 44; // changes the element with key 2 from -6 to 44
$d = dict["red" => 4, "white" =>12, "blue" => 3];
$e = $d["white"]; // designates the element with key "white" value 12
$d["red"] = 9; // changes the element with key "red" from 4 to 9
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/25-subscript-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/25-subscript.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$v = vec[10, 25, -6];
$v[] = 99; // creates new element with key 3, value 99
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/29-member-selection-intbox.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/29-member-selection.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class IntBox {
private int $x;
public function __construct(int $x) {
$this->x = $x; // Assigning to property.
}
public function getX(): int {
return $this->x; // Accessing property.
}
}
<<__EntryPoint>>
function main(): void {
$ib = new IntBox(42);
$x = $ib->getX(); // Calling instance method.
}
function my_example(?IntBox $ib): ?int {
return $ib?->getX();
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/33-scope-resolution-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/33-scope-resolution.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
enum ControlStatus: int {
Stopped = 0;
Stopping = 1;
Starting = 2;
Started = 3;
}
function main(ControlStatus $p1): void {
switch ($p1) {
case ControlStatus::Stopped:
// ...
break;
case ControlStatus::Stopping:
// ...
break;
default:
break;
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/33-scope-resolution-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/33-scope-resolution.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
final class MathLibrary {
const PI = 3.1415926;
public static function sin(float $val): float {
return 0.0; // stub
}
}
function use_it(): void {
$radius = 3.4;
$area = MathLibrary::PI * $radius * $radius;
$v = MathLibrary::sin(2.34);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/33-scope-resolution-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/33-scope-resolution.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class Point {
private static int $pointCount = 0;
public static function getPointCount(): int {
return self::$pointCount;
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/33-scope-resolution-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/33-scope-resolution.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class MyRangeException extends Exception {
public function __construct(string $message) {
parent::__construct('MyRangeException: '.$message);
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/33-scope-resolution-05.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/33-scope-resolution.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class Base {
public function b(): void {
static::f(); // calls the most appropriate f()
}
public static function f(): void {
//...
}
}
class Derived extends Base {
public static function f(): void {
// ...
}
}
function demo(): void {
$b1 = new Base();
$b1->b(); // as $b1 is an instance of Base, Base::b() calls Base::f()
$d1 = new Derived();
$d1->b(); // as $d1 is an instance of Derived, Base::b() calls Derived::f()
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/33-scope-resolution-06.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/33-scope-resolution.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
namespace NS_cn;
class C1 {
// ...
}
class C2 {
public static classname<C1> $p1 = C1::class;
public static function f(?classname<C1> $p): void {}
public static vec<classname<C1>> $p2 = vec[C1::class];
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/37-incrementing-and-decrementing-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/37-incrementing-and-decrementing.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
for ($i = 1; $i <= 10; $i++) {
// ...
}
} |
hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/37-incrementing-and-decrementing-02.hack_error | // @generated by hh_manual from manual/hack/03-expressions-and-operators/37-incrementing-and-decrementing.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$x = 0;
$y = $x++; // Parse error.
} |
|
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/37-incrementing-and-decrementing-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/37-incrementing-and-decrementing.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$x = 0;
$y = $x + 1;
$x++;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/47-error-control-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/47-error-control.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$infile = @fopen("NoSuchFile.txt", 'r');
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/49-casting-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/49-casting.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
(float)1; // 1.0
(int)3.14; // 3, rounds towards zero
(bool)0; // false
(string)false; // ""
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/52-type-assertions-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/52-type-assertions.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 is int; // true
'foo' is int; // false
1 is num; // true
1.5 is num; // true
'foo' is num; // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/52-type-assertions-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/52-type-assertions.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
enum MyEnum: int {
FOO = 1;
}
function demo(): void {
1 is MyEnum; // true
42 is MyEnum; // false
'foo' is MyEnum; // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/52-type-assertions-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/52-type-assertions.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$x = tuple(1, 2.0, null);
$x is (int, float, ?bool); // true
$y = shape('foo' => 1);
$y is shape('foo' => int); // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/52-type-assertions-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/52-type-assertions.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
type myint = int;
function demo(): void {
1 is myint; // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/52-type-assertions-05.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/52-type-assertions.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 as int; // 1
'foo' as int; // TypeAssertionException
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/52-type-assertions-06.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/52-type-assertions.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 ?as int; // 1
'foo' ?as int; // null
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
-10 + 100; // int with value 90
100 + -3.4e2; // float with value -240
9.5 + 23.444; // float with value 32.944
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
-10 - 100; // int with value -110
100 - -3.4e2; // float with value 440
9.5 - 23.444; // float with value -13.944
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
-10 * 100; // int result with value -1000
100 * -3.4e10; // float result with value -3400000000000.0
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
300 / 100; // int result with value 3
100 / 123; // float result with value 0.8130081300813
12.34 / 2.3; // float result with value 5.3652173913043
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-05.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
5 % 2; // int result with value 1
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-06.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
2 ** 3; // int with value 8
2 ** 3.0; // float with value 8.0
2.0 ** 3.0; // float with value 8.0
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-07.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$v = +10;
$v = 10;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/58-arithmetic-08.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/58-arithmetic.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$v = 10;
$x = -$v; // $x has value -10
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/69-string-concatenation-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/69-string-concatenation.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
"foo"."bar"; // "foobar"
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/69-string-concatenation-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/69-string-concatenation.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
-10 . NAN; // string result with value "-10NAN"
INF . "2e+5"; // string result with value "INF2e+5"
true . null; // string result with value "1"
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
0b101111 & 0b101; // result is 0b101
$lcase_letter = 0x73; // lowercase letter 's'
$ucase_letter = $lcase_letter & ~0x20; // clear the 6th bit to make uppercase letter 'S'
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
0b101111 | 0b101; // result is 0b101111
$ucase_letter = 0x41; // uppercase letter 'A'
$lcase_letter = $ucase_letter | 0x20; // set the 6th bit to make lowercase 'a'
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
0b101111 ^ 0b101; // result is 0b101010
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
0b101 << 2; // result is 0b10100
10 << 3; // result is 80
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-05.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
0b1011 >> 2; // result is 0b10
100 >> 2; // result is 25
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-06.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
(1 << 63) >> 63; // result is -1
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/70-bitwise-operators-07.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/70-bitwise-operators.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$lLetter = 0x73; // lowercase letter 's'
$uLetter = $lLetter & ~0b100000; // clear the 6th bit to make uppercase letter 'S'
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/75-comparisons-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/75-comparisons.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 < 2; // true
1.0 <= 1.5; // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/75-comparisons-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/75-comparisons.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
"a" < "b"; // true
"ab" < "b"; // true
"01" < "1"; // false (1 == 1)
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/75-comparisons-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/75-comparisons.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 <=> 1; // 0; equal
1 <=> 2; // negative; 1 < 2
2 <=> 1; // positive; 2 > 1
"a" <=> "a"; // 0; same length and content
"a" <=> "b"; // negative; a is lower than b in the collating sequence
"b" <=> "a"; // positive; b is higher than a in the collating sequence
"a" <=> "A"; // positive; lowercase a is higher than uppercase A
"a" <=> "aa"; // negative; same leading part, but a is shorter than aa
"aa" <=> "a"; // positive; same leading part, but aa is longer than a
"aa" <=> "aa"; // 0; same length and content
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 === 2; // false
1 !== 2; // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 === 1; // true
vec[1, 2] === vec[1, 2]; // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
0 === null; // false
vec[1] === keyset[1]; // false
// Tip: if you want to compare an integer with a float,
// convert the integer value:
(float)1 === 1.0; // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
vec[1, 2] === vec[1, 2]; // true
vec[1] === vec[2]; // false
keyset[1, 2] === keyset[1, 2]; // true
keyset[1, 2] === keyset[2, 1]; // false
dict[0 => null, 1 => null] === dict[0 => null, 1 => null]; // true
dict[1 => null, 0 => null] === dict[0 => null, 1 => null]; // false
// Tip: Use Keyset\equal and Dict\equal if you
// want to ignore order:
Keyset\equal(keyset[1, 2], keyset[2, 1]); // true
Dict\equal(dict[1 => null, 0 => null], dict[0 => null, 1 => null]); // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-05.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 !== 2; // true
2 !== 2; // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-06.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 == 1.0; // false
0 == null; // false
"" == 0; // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-07.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
keyset[1, 2] == keyset[2, 1]; // true
dict[1 => null, 2 => null] == dict[2 => null, 1 => null]; // true
// Note that vec comparisons always care about order.
vec[1, 2] == vec[2, 1]; // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-08.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
1 != 2; // true
1 != 1; // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-object.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class MyObject {}
async function example_snippet_wrapper1(): Awaitable<void> {
$obj = new MyObject();
// Different references aren't equal.
$obj === new MyObject(); // false
// The same reference is equal.
$obj === $obj; // true
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/77-equality-wrapper.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/77-equality.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
class MyWrapper {
public function __construct(private mixed $m) {}
}
async function example_snippet_wrapper1(): Awaitable<void> {
new MyWrapper(1) == new MyWrapper(1); // true
new MyWrapper(1) == new MyWrapper(2); // false
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/91-coalesce-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/91-coalesce.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$nully = null;
$nonnull = 'a string';
\print_r(vec[
$nully ?? 10, // 10 as $nully is `null`
$nonnull ?? 10, // 'a string' as $nonnull is `nonnull`
]);
$arr = dict['black' => 10, 'white' => null];
\print_r(vec[
$arr['black'] ?? -100, // 10 as $arr['black'] is defined and not null
$arr['white'] ?? -200, // -200 as $arr['white'] is null
$arr['green'] ?? -300, // -300 as $arr['green'] is not defined
]);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/91-coalesce-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/91-coalesce.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$arr = dict['black' => 10, 'white' => null];
\print_r(vec[
idx($arr, 'black', -100), // 10
idx($arr, 'white', -200), // null
idx($arr, 'green', -300), // -300
idx($arr, 'green'), // null
]);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/91-coalesce-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/91-coalesce.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function get_counts_by_value(Traversable<string> $values): dict<string, int> {
$counts_by_value = dict[];
foreach ($values as $value) {
$counts_by_value[$value] ??= 0;
++$counts_by_value[$value];
}
return $counts_by_value;
}
function get_people_by_age(
KeyedTraversable<string, int> $ages_by_name,
): dict<int, vec<string>> {
$people_by_age = dict[];
foreach ($ages_by_name as $name => $age) {
$people_by_age[$age] ??= vec[];
$people_by_age[$age][] = $name;
}
return $people_by_age;
}
<<__EntryPoint>>
function main(): void {
$values = vec['foo', 'bar', 'foo', 'baz', 'bar', 'foo'];
\print_r(get_counts_by_value($values));
$people = dict[
'Arthur' => 35,
'Ford' => 110,
'Trillian' => 35,
'Zaphod' => 120,
];
\print_r(
get_people_by_age($people)
|> Dict\map($$, $names ==> Str\join($names, ', '))
);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/93-pipe-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/93-pipe.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$x = vec[2,1,3]
|> Vec\map($$, $a ==> $a * $a) // $$ with value vec[2,1,3]
|> Vec\sort($$); // $$ with value vec[4,1,9]
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/93-pipe-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/93-pipe.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
Vec\sort(Vec\map(vec[2, 1, 3], $a ==> $a * $a)); // Evaluates to vec[1,4,9]
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/97-assignment-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/97-assignment.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$a = 10;
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/97-assignment-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/97-assignment.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$v = vec[1, 2, 3];
$v[0] = 42; // $v is now vec[42, 2, 3]
$v = dict[0 => 10, 1 => 20, 2 => 30];
$v[1] = 22; // change the value of the element with key 1
$v[-10] = 19; // insert a new element with key -10
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/97-assignment-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/97-assignment.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$d = dict['x' => 1];
$d['y'] = 42; // $d is now dict['x' => 1, 'y' => 42]
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/97-assignment-04.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/97-assignment.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$s = "ab";
$s[0] = "x"; // in bounds
$s[3] = "y"; // $s is now "xb y"
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/98-yield-01.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/98-yield.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function series(
int $start,
int $end,
int $incr = 1,
): \Generator<int, int, void> {
for ($i = $start; $i <= $end; $i += $incr) {
yield $i;
}
}
<<__EntryPoint>>
function main(): void {
foreach (series(5, 15, 2) as $key => $val) {
echo "key: $key, value: $val\n";
}
echo "-----------------\n";
foreach (series(25, 20, 3) as $key => $val) {
echo "key: $key, value: $val\n";
}
echo "-----------------\n";
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/98-yield-02.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/98-yield.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function squares(
int $start,
int $end,
string $keyPrefix = "",
): Generator<string, int, void> {
for ($i = $start; $i <= $end; ++$i) {
yield $keyPrefix.$i => $i * $i; // specify a key/value pair
}
}
<<__EntryPoint>>
function main(): void {
foreach (squares(-2, 3, "X") as $key => $val) {
echo "key: $key, value: $val\n";
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/03-expressions-and-operators/98-yield-03.hack | // @generated by hh_manual from manual/hack/03-expressions-and-operators/98-yield.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function getTextFileLines(string $filename): Generator<int, string, void> {
$infile = fopen($filename, 'r');
if ($infile === false) {
// handle file-open failure
}
try {
while (true) {
$textLine = fgets($infile);
if ($textLine === false) {
break;
}
$textLine = rtrim($textLine, "\r\n"); // strip off line terminator
yield $textLine;
}
} finally {
fclose($infile);
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/02-break-and-continue-01.hack | // @generated by hh_manual from manual/hack/04-statements/02-break-and-continue.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
for ($i = 1; $i <= 10; ++$i) {
if (($i % 2) === 0) {
continue;
}
echo "$i is odd\n";
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/03-do-01.hack | // @generated by hh_manual from manual/hack/04-statements/03-do.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$i = 1;
do {
echo "$i\t".($i * $i)."\n"; // output a table of squares
++$i;
} while ($i <= 10);
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/04-for-01.hack | // @generated by hh_manual from manual/hack/04-statements/04-for.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
for ($i = 1; $i <= 5; ++$i) {
echo "$i\t".($i * $i)."\n"; // output a table of squares
}
$i = 1;
for (; $i <= 5; ) {
echo "$i\t".($i * $i)."\n"; // output a table of squares
++$i;
}
$i = 1;
for (; ; ) {
if ($i > 5)
break;
echo "$i\t".($i * $i)."\n"; // output a table of squares
++$i;
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/05-foreach-01.hack | // @generated by hh_manual from manual/hack/04-statements/05-foreach.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$colors = vec["red", "white", "blue"];
foreach ($colors as $color) {
// ...
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/05-foreach-02.hack | // @generated by hh_manual from manual/hack/04-statements/05-foreach.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$colors = vec["red", "white", "blue"];
foreach ($colors as $key => $color) {
// ...
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/05-foreach-03.hack | // @generated by hh_manual from manual/hack/04-statements/05-foreach.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$a = dict['a' => 10, 'f' => 30];
foreach ($a as $key => $_) { // 10 and 30 are ignored
// ...
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/06-if-01.hack | // @generated by hh_manual from manual/hack/04-statements/06-if.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
async function example_snippet_wrapper(): Awaitable<void> {
$count = 11;
if ($count < 10) {
echo "small";
} else if ($count < 20) {
echo "medium";
} else {
echo "large";
}
} |
Hack | hhvm/hphp/hack/test/extracted_from_manual/04-statements/07-return-01.hack | // @generated by hh_manual from manual/hack/04-statements/07-return.md
// @codegen-command : buck run fbcode//hphp/hack/src/hh_manual:hh_manual extract fbcode/hphp/hack/manual/hack/
function average_float(float $p1, float $p2): float {
return ($p1 + $p2) / 2.0;
}
type IdSet = shape('id' => ?string, 'url' => ?string, 'count' => int);
function get_IdSet(): IdSet {
return shape('id' => null, 'url' => null, 'count' => 0);
}
class Point {
private float $x;
private float $y;
public function __construct(num $x = 0, num $y = 0) {
$this->x = (float)$x; // sets private property $x
$this->y = (float)$y; // sets private property $y
} // no return statement
public function move(num $x = 0, num $y = 0): void {
$this->x = (float)$x; // sets private property $x
$this->y = (float)$y; // sets private property $y
return; // return nothing
}
// ...
} |
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