{
  "id": "@typed/fx/Fx#fn",
  "canonicalId": "@typed/fx/Fx#fn",
  "symbol": {
    "id": "@typed/fx/Fx#fn",
    "packageName": "@typed/fx",
    "moduleName": "Fx",
    "exportName": "fn",
    "kind": "type",
    "signatures": [
      "export declare namespace fn {\n    type Gen = {\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>): (...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>): (this: Self, ...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (...args: Args) => A;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n    type NonGen = {\n        <Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: unassigned, ...args: Args) => ReturnFx): (...args: Args) => ReturnFx;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: Self, ...args: Args) => ReturnFx): (this: Self, ...args: Args) => ReturnFx;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (...args: Args) => A;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n}",
      "export declare const fn: fn.Gen & fn.NonGen & {\n    (name: string, options?: SpanOptionsNoTrace): fn.Gen & fn.NonGen;\n};"
    ],
    "summary": "Callable contracts implemented by `fn`.",
    "sections": {
      "Why": "The namespace keeps generator and non-generator overload families addressable even\nthough one callable value implements both.",
      "Ownership and lifetime": "These are type-level contracts. They start no Effect or `Fx` run."
    },
    "examples": [
      {
        "language": "ts",
        "code": "import { Effect } from \"effect\"\nimport { Fx } from \"@typed/fx\"\n\nconst request = Fx.fn(\"request\")(\n  function* (id: number) {\n    const token = yield* Effect.succeed(\"token\")\n    return Fx.succeed({ id, token })\n  },\n  (source) => Fx.map(source, ({ id }) => id)\n)\nconst program = Fx.collectAll(request(42))"
      }
    ],
    "relations": [],
    "source": {
      "file": "packages/fx/src/Fx/constructors/fn.ts",
      "line": 24
    },
    "since": "1.0.0",
    "category": "Generator composition"
  },
  "exposure": {
    "recordKind": "declaration",
    "id": "@typed/fx/Fx#fn",
    "packageName": "@typed/fx",
    "packageVersion": "2.0.0-beta.13",
    "moduleName": "Fx",
    "consumerSpecifier": "@typed/fx/Fx",
    "exportName": "fn",
    "qualifiedName": "fn",
    "declarationKey": "declaration:8d077c06b82f3cc73f84cf89",
    "family": "namespace",
    "signatures": [
      "export declare namespace fn {\n    type Gen = {\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>): (...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>): (this: Self, ...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (...args: Args) => A;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n    type NonGen = {\n        <Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: unassigned, ...args: Args) => ReturnFx): (...args: Args) => ReturnFx;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: Self, ...args: Args) => ReturnFx): (this: Self, ...args: Args) => ReturnFx;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (...args: Args) => A;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n}",
      "export declare const fn: fn.Gen & fn.NonGen & {\n    (name: string, options?: SpanOptionsNoTrace): fn.Gen & fn.NonGen;\n};"
    ],
    "sourceSpans": [
      {
        "file": "packages/fx/src/Fx/constructors/fn.ts",
        "start": {
          "line": 24,
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        },
        "end": {
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          "column": 2
        }
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      {
        "file": "packages/fx/src/Fx/constructors/fn.ts",
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          "line": 328,
          "column": 2
        }
      },
      {
        "file": "packages/fx/src/Fx/constructors/fn.ts",
        "start": {
          "line": 307,
          "column": 5
        },
        "end": {
          "line": 307,
          "column": 70
        }
      }
    ],
    "aliases": [
      "@typed/fx#Fx.fn"
    ],
    "isAlias": false,
    "static": false
  },
  "declaration": {
    "declarationKey": "declaration:8d077c06b82f3cc73f84cf89",
    "name": "fn",
    "family": "namespace",
    "facets": [
      {
        "family": "namespace",
        "syntaxKind": "ModuleDeclaration",
        "signatures": [
          "export declare namespace fn {\n    type Gen = {\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>): (...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>): (this: Self, ...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (...args: Args) => A;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n    type NonGen = {\n        <Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: unassigned, ...args: Args) => ReturnFx): (...args: Args) => ReturnFx;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: Self, ...args: Args) => ReturnFx): (this: Self, ...args: Args) => ReturnFx;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (...args: Args) => A;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n}"
        ],
        "typeParameters": [],
        "sourceSpans": [
          {
            "file": "packages/fx/src/Fx/constructors/fn.ts",
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              "line": 24,
              "column": 1
            },
            "end": {
              "line": 267,
              "column": 2
            }
          }
        ],
        "static": false,
        "readonly": false,
        "optional": false
      },
      {
        "family": "variable",
        "syntaxKind": "VariableDeclaration",
        "signatures": [
          "export declare const fn: fn.Gen & fn.NonGen & {\n    (name: string, options?: SpanOptionsNoTrace): fn.Gen & fn.NonGen;\n};"
        ],
        "typeParameters": [],
        "sourceSpans": [
          {
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              "column": 2
            }
          }
        ],
        "static": false,
        "readonly": false,
        "optional": false
      },
      {
        "family": "call-signature",
        "syntaxKind": "CallSignature",
        "signatures": [
          "(name: string, options?: SpanOptionsNoTrace): fn.Gen & fn.NonGen;"
        ],
        "typeParameters": [],
        "sourceSpans": [
          {
            "file": "packages/fx/src/Fx/constructors/fn.ts",
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            },
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              "column": 70
            }
          }
        ],
        "static": false,
        "readonly": false,
        "optional": false
      }
    ],
    "signatures": [
      "export declare namespace fn {\n    type Gen = {\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>): (...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>): (this: Self, ...args: Args) => Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (...args: Args) => A;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: unassigned, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Eff extends Effect.Effect<any, any, any>, ReturnFx extends Fx.Any, Args extends Array<any>, A, B, C>(body: (this: Self, ...args: Args) => Generator<Eff, ReturnFx>, a: (_: Fx<Fx.Success<ReturnFx>, Fx.Error<ReturnFx> | Effect.Error<Eff>, Fx.Services<ReturnFx> | Effect.Services<Eff>>, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n    type NonGen = {\n        <Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: unassigned, ...args: Args) => ReturnFx): (...args: Args) => ReturnFx;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any>(body: (this: Self, ...args: Args) => ReturnFx): (this: Self, ...args: Args) => ReturnFx;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (...args: Args) => A;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A): (this: Self, ...args: Args) => A;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (...args: Args) => B;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B): (this: Self, ...args: Args) => B;\n        <Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: unassigned, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (...args: Args) => C;\n        <Self, Args extends Array<any>, ReturnFx extends Fx.Any, A, B, C>(body: (this: Self, ...args: Args) => ReturnFx, a: (_: ReturnFx, ...args: Args) => A, b: (_: A, ...args: Args) => B, c: (_: B, ...args: Args) => C): (this: Self, ...args: Args) => C;\n    };\n}",
      "export declare const fn: fn.Gen & fn.NonGen & {\n    (name: string, options?: SpanOptionsNoTrace): fn.Gen & fn.NonGen;\n};"
    ],
    "typeParameters": [],
    "summary": "Callable contracts implemented by `fn`.",
    "sections": {
      "Why": "The namespace keeps generator and non-generator overload families addressable even\nthough one callable value implements both.",
      "Ownership and lifetime": "These are type-level contracts. They start no Effect or `Fx` run."
    },
    "examples": [
      {
        "language": "ts",
        "code": "import { Effect } from \"effect\"\nimport { Fx } from \"@typed/fx\"\n\nconst request = Fx.fn(\"request\")(\n  function* (id: number) {\n    const token = yield* Effect.succeed(\"token\")\n    return Fx.succeed({ id, token })\n  },\n  (source) => Fx.map(source, ({ id }) => id)\n)\nconst program = Fx.collectAll(request(42))"
      }
    ],
    "sourceSpans": [
      {
        "file": "packages/fx/src/Fx/constructors/fn.ts",
        "start": {
          "line": 24,
          "column": 1
        },
        "end": {
          "line": 267,
          "column": 2
        }
      },
      {
        "file": "packages/fx/src/Fx/constructors/fn.ts",
        "start": {
          "line": 305,
          "column": 14
        },
        "end": {
          "line": 328,
          "column": 2
        }
      },
      {
        "file": "packages/fx/src/Fx/constructors/fn.ts",
        "start": {
          "line": 307,
          "column": 5
        },
        "end": {
          "line": 307,
          "column": 70
        }
      }
    ],
    "since": "1.0.0",
    "category": "Generator composition"
  }
}