32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
=== tests/cases/conformance/expressions/typeGuards/typeGuardsInGlobal.ts ===
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// Note that type guards affect types of variables and parameters only and
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// have no effect on members of objects such as properties.
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// variables in global
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var num: number;
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>num : number, Symbol(num, Decl(typeGuardsInGlobal.ts, 4, 3))
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var var1: string | number;
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>var1 : string | number, Symbol(var1, Decl(typeGuardsInGlobal.ts, 5, 3))
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if (typeof var1 === "string") {
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>typeof var1 === "string" : boolean
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>typeof var1 : string
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>var1 : string | number, Symbol(var1, Decl(typeGuardsInGlobal.ts, 5, 3))
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>"string" : string
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num = var1.length; // string
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>num = var1.length : number
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>num : number, Symbol(num, Decl(typeGuardsInGlobal.ts, 4, 3))
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>var1.length : number, Symbol(String.length, Decl(lib.d.ts, 414, 19))
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>var1 : string, Symbol(var1, Decl(typeGuardsInGlobal.ts, 5, 3))
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>length : number, Symbol(String.length, Decl(lib.d.ts, 414, 19))
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}
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else {
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num = var1; // number
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>num = var1 : number
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>num : number, Symbol(num, Decl(typeGuardsInGlobal.ts, 4, 3))
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>var1 : number, Symbol(var1, Decl(typeGuardsInGlobal.ts, 5, 3))
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}
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