{
  "id": "@typed/router/AST#MatchAst.Catch",
  "canonicalId": "@typed/router/AST#MatchAst.Catch",
  "symbol": {
    "id": "@typed/router/AST#MatchAst.Catch",
    "packageName": "@typed/router",
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      "interface Catch {\n    type: \"catch\";\n    matches: ReadonlyArray<MatchAst>;\n    f: (cause: RefSubject<Cause<any>>) => Fx<any, any, any>;\n}"
    ],
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    "sections": {
      "Why": "Complete Effect causes remain available to fallback UI rather than collapsing to strings.",
      "Ownership and lifetime": "`Catch` describes plain readonly AST data. Routes and Matchers retain the concrete nodes they receive by reference; the type itself owns no resource.",
      "Property: f": "The reactive complete-cause handler attached to a catch AST node.",
      "Property: f: Why": "Fallback output can observe changing Effect causes while preserving typed Fx composition.",
      "Property: f: Ownership and lifetime": "The handler function is retained by identity. The catch manager owns its cause RefSubject and\nfallback Fx in a child Scope while the boundary remains selected.",
      "Property: matches": "The ordered child matcher nodes wrapped by this boundary.",
      "Property: matches: Why": "Order is preserved for candidate and guard fallthrough.",
      "Property: matches: Ownership and lifetime": "The catch boundary retains this ordered child array by reference; active boundary Scopes are\ncreated only when its Matcher runs.",
      "Property: type": "The discriminant identifying this AST variant.",
      "Property: type: Why": "Exhaustive switches can interpret syntax without instanceof checks or hidden classes."
    },
    "examples": [],
    "relations": [],
    "source": {
      "file": "packages/router/src/AST.ts",
      "line": 930
    },
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  },
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    "qualifiedName": "MatchAst.Catch",
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      "interface Catch {\n    type: \"catch\";\n    matches: ReadonlyArray<MatchAst>;\n    f: (cause: RefSubject<Cause<any>>) => Fx<any, any, any>;\n}"
    ],
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    ],
    "aliases": [],
    "isAlias": false,
    "parentId": "@typed/router/AST#MatchAst",
    "static": false
  },
  "declaration": {
    "declarationKey": "declaration:9974ba51f8ad6993a2fc966a",
    "name": "Catch",
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    "facets": [
      {
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          "interface Catch {\n    type: \"catch\";\n    matches: ReadonlyArray<MatchAst>;\n    f: (cause: RefSubject<Cause<any>>) => Fx<any, any, any>;\n}"
        ],
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        "static": false,
        "readonly": false,
        "optional": false
      },
      {
        "family": "property",
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      "interface Catch {\n    type: \"catch\";\n    matches: ReadonlyArray<MatchAst>;\n    f: (cause: RefSubject<Cause<any>>) => Fx<any, any, any>;\n}"
    ],
    "typeParameters": [],
    "summary": "A Match AST node defining a reactive cause boundary.",
    "sections": {
      "Why": "Complete Effect causes remain available to fallback UI rather than collapsing to strings.",
      "Ownership and lifetime": "`Catch` describes plain readonly AST data. Routes and Matchers retain the concrete nodes they receive by reference; the type itself owns no resource.",
      "Property: f": "The reactive complete-cause handler attached to a catch AST node.",
      "Property: f: Why": "Fallback output can observe changing Effect causes while preserving typed Fx composition.",
      "Property: f: Ownership and lifetime": "The handler function is retained by identity. The catch manager owns its cause RefSubject and\nfallback Fx in a child Scope while the boundary remains selected.",
      "Property: matches": "The ordered child matcher nodes wrapped by this boundary.",
      "Property: matches: Why": "Order is preserved for candidate and guard fallthrough.",
      "Property: matches: Ownership and lifetime": "The catch boundary retains this ordered child array by reference; active boundary Scopes are\ncreated only when its Matcher runs.",
      "Property: type": "The discriminant identifying this AST variant.",
      "Property: type: Why": "Exhaustive switches can interpret syntax without instanceof checks or hidden classes."
    },
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    "since": "1.0.0",
    "category": "Matcher composition syntax"
  }
}