| [ | |
| { | |
| "psig_desc": [ | |
| "Psig_attribute", | |
| { | |
| "attr_name": { | |
| "loc2": { | |
| "loc_start": { | |
| "pos_fname": "_none_", | |
| "pos_lnum": 0, | |
| "pos_bol": 0, | |
| "pos_cnum": -1 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "_none_", | |
| "pos_lnum": 0, | |
| "pos_bol": 0, | |
| "pos_cnum": -1 | |
| }, | |
| "loc_ghost": true | |
| }, | |
| "txt2": "ocaml.text" | |
| }, | |
| "attr_payload": [ | |
| "PStr", | |
| [ | |
| { | |
| "pstr_desc": [ | |
| "Pstr_eval", | |
| { | |
| "pexp_desc": [ | |
| "Pexp_constant", | |
| [ | |
| "Pconst_string", | |
| " External resource pools.\n\n This module provides an abstraction for managing collections of resources.\n One example use case is for managing a pool of database connections, where\n instead of establishing a new connection each time you need one (which is\n expensive), you can keep a pool of opened connections and reuse ones that\n are free.\n\n It also provides the capability of:\n - specifying the maximum number of resources that the pool can manage\n simultaneously,\n - checking whether a resource is still valid before/after use, and\n - performing cleanup logic before dropping a resource.\n\n The following example illustrates how it is used with an imaginary\n [Db] module:\n\n {[\nlet uri = \"postgresql://localhost:5432\"\n\n(* Create a database connection pool with max size of 10. *)\nlet pool =\n Lwt_pool.create 10\n ~dispose:(fun connection -> Db.close connection |> Lwt.return)\n (fun () -> Db.connect uri |> Lwt.return)\n\n(* Use the pool in queries. *)\nlet create_user name =\n Lwt_pool.use pool (fun connection ->\n connection\n |> Db.insert \"users\" [(\"name\", name)]\n |> Lwt.return\n )\n]}\n\n Note that this is {e not} intended to keep a pool of system threads.\n If you want to have such pool, consider using {!Lwt_preemptive}. ", | |
| { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 6, | |
| "pos_bol": 162, | |
| "pos_cnum": 162 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 42, | |
| "pos_bol": 1388, | |
| "pos_cnum": 1459 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| null | |
| ] | |
| ], | |
| "pexp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 6, | |
| "pos_bol": 162, | |
| "pos_cnum": 162 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 42, | |
| "pos_bol": 1388, | |
| "pos_cnum": 1459 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "pexp_loc_stack": [], | |
| "pexp_attributes": [] | |
| }, | |
| [] | |
| ], | |
| "pstr_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 6, | |
| "pos_bol": 162, | |
| "pos_cnum": 162 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 42, | |
| "pos_bol": 1388, | |
| "pos_cnum": 1459 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ] | |
| ], | |
| "attr_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 6, | |
| "pos_bol": 162, | |
| "pos_cnum": 162 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 42, | |
| "pos_bol": 1388, | |
| "pos_cnum": 1459 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ], | |
| "psig_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 6, | |
| "pos_bol": 162, | |
| "pos_cnum": 162 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 42, | |
| "pos_bol": 1388, | |
| "pos_cnum": 1459 | |
| }, | |
| "loc_ghost": false | |
| } | |
| }, | |
| { | |
| "psig_desc": [ | |
| "Psig_type", | |
| [ "Recursive" ], | |
| [ | |
| { | |
| "ptype_name": { | |
| "loc2": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1469 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1470 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "txt2": "t" | |
| }, | |
| "ptype_params": [ | |
| [ | |
| { | |
| "ptyp_desc": [ "Ptyp_var", "a" ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1466 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1468 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| [ [ "NoVariance" ], [ "NoInjectivity" ] ] | |
| ] | |
| ], | |
| "ptype_cstrs": [], | |
| "ptype_kind": [ "Ptype_abstract" ], | |
| "ptype_private": [ "Public" ], | |
| "ptype_manifest": null, | |
| "ptype_attributes": [ | |
| { | |
| "attr_name": { | |
| "loc2": { | |
| "loc_start": { | |
| "pos_fname": "_none_", | |
| "pos_lnum": 0, | |
| "pos_bol": 0, | |
| "pos_cnum": -1 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "_none_", | |
| "pos_lnum": 0, | |
| "pos_bol": 0, | |
| "pos_cnum": -1 | |
| }, | |
| "loc_ghost": true | |
| }, | |
| "txt2": "ocaml.doc" | |
| }, | |
| "attr_payload": [ | |
| "PStr", | |
| [ | |
| { | |
| "pstr_desc": [ | |
| "Pstr_eval", | |
| { | |
| "pexp_desc": [ | |
| "Pexp_constant", | |
| [ | |
| "Pconst_string", | |
| " A pool containing elements of type ['a]. ", | |
| { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1473 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1520 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| null | |
| ] | |
| ], | |
| "pexp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1473 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1520 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "pexp_loc_stack": [], | |
| "pexp_attributes": [] | |
| }, | |
| [] | |
| ], | |
| "pstr_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1473 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1520 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ] | |
| ], | |
| "attr_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1473 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 45, | |
| "pos_bol": 1471, | |
| "pos_cnum": 1520 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ], | |
| "ptype_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1461 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1470 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ] | |
| ], | |
| "psig_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1461 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 44, | |
| "pos_bol": 1461, | |
| "pos_cnum": 1470 | |
| }, | |
| "loc_ghost": false | |
| } | |
| }, | |
| { | |
| "psig_desc": [ | |
| "Psig_value", | |
| { | |
| "pval_name": { | |
| "loc2": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 47, | |
| "pos_bol": 1522, | |
| "pos_cnum": 1526 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 47, | |
| "pos_bol": 1522, | |
| "pos_cnum": 1532 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "txt2": "create" | |
| }, | |
| "pval_type": { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Nolabel" ], | |
| { | |
| "ptyp_desc": [ "Ptyp_constr", "int", [] ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 48, | |
| "pos_bol": 1535, | |
| "pos_cnum": 1537 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 48, | |
| "pos_bol": 1535, | |
| "pos_cnum": 1540 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Optional", "validate" ], | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Nolabel" ], | |
| { | |
| "ptyp_desc": [ "Ptyp_var", "a" ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1559 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1561 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_constr", | |
| "Lwtt", | |
| [ | |
| { | |
| "ptyp_desc": [ "Ptyp_constr", "bool", [] ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1565 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1569 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| } | |
| ] | |
| ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1565 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1575 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| } | |
| ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1559 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 49, | |
| "pos_bol": 1544, | |
| "pos_cnum": 1575 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Optional", "check" ], | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Nolabel" ], | |
| { | |
| "ptyp_desc": [ "Ptyp_var", "a" ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1592 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1594 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Nolabel" ], | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Nolabel" ], | |
| { | |
| "ptyp_desc": [ "Ptyp_constr", "bool", [] ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1599 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1603 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ "Ptyp_constr", "unit", [] ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1607 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1611 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| } | |
| ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1599 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1611 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ "Ptyp_constr", "unit", [] ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1616 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1620 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| } | |
| ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1598 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1620 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| } | |
| ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1592 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 50, | |
| "pos_bol": 1580, | |
| "pos_cnum": 1620 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Optional", "dispose" ], | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_arrow", | |
| [ "Nolabel" ], | |
| { | |
| "ptyp_desc": [ "Ptyp_var", "a" ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 51, | |
| "pos_bol": 1625, | |
| "pos_cnum": 1639 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 51, | |
| "pos_bol": 1625, | |
| "pos_cnum": 1641 | |
| }, | |
| "loc_ghost": false | |
| }, | |
| "ptyp_loc_stack": [], | |
| "ptyp_attributes": [] | |
| }, | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_constr", | |
| "Lwtt", | |
| [ | |
| { | |
| "ptyp_desc": [ | |
| "Ptyp_constr", "unit", [] | |
| ], | |
| "ptyp_loc": { | |
| "loc_start": { | |
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| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 97, | |
| "pos_bol": 3913, | |
| "pos_cnum": 3913 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 97, | |
| "pos_bol": 3913, | |
| "pos_cnum": 3947 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ], | |
| "psig_loc": { | |
| "loc_start": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 97, | |
| "pos_bol": 3913, | |
| "pos_cnum": 3913 | |
| }, | |
| "loc_end": { | |
| "pos_fname": "./_opam/lib/lwt/lwt_pool.mli", | |
| "pos_lnum": 97, | |
| "pos_bol": 3913, | |
| "pos_cnum": 3947 | |
| }, | |
| "loc_ghost": false | |
| } | |
| } | |
| ] | |