95 lines
3.7 KiB
Plaintext
95 lines
3.7 KiB
Plaintext
=== tests/cases/conformance/types/typeRelationships/typeInference/unionTypeInference.ts ===
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// Verify that inferences made *to* a type parameter in a union type are secondary
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// to inferences made directly to that type parameter
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function f<T>(x: T, y: string|T): T {
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>f : Symbol(f, Decl(unionTypeInference.ts, 0, 0))
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>T : Symbol(T, Decl(unionTypeInference.ts, 3, 11))
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>x : Symbol(x, Decl(unionTypeInference.ts, 3, 14))
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>T : Symbol(T, Decl(unionTypeInference.ts, 3, 11))
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>y : Symbol(y, Decl(unionTypeInference.ts, 3, 19))
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>T : Symbol(T, Decl(unionTypeInference.ts, 3, 11))
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>T : Symbol(T, Decl(unionTypeInference.ts, 3, 11))
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return x;
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>x : Symbol(x, Decl(unionTypeInference.ts, 3, 14))
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}
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var a1: number;
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>a1 : Symbol(a1, Decl(unionTypeInference.ts, 7, 3), Decl(unionTypeInference.ts, 8, 3))
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var a1 = f(1, 2);
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>a1 : Symbol(a1, Decl(unionTypeInference.ts, 7, 3), Decl(unionTypeInference.ts, 8, 3))
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>f : Symbol(f, Decl(unionTypeInference.ts, 0, 0))
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var a2: number;
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>a2 : Symbol(a2, Decl(unionTypeInference.ts, 9, 3), Decl(unionTypeInference.ts, 10, 3))
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var a2 = f(1, "hello");
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>a2 : Symbol(a2, Decl(unionTypeInference.ts, 9, 3), Decl(unionTypeInference.ts, 10, 3))
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>f : Symbol(f, Decl(unionTypeInference.ts, 0, 0))
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var a3: number;
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>a3 : Symbol(a3, Decl(unionTypeInference.ts, 11, 3), Decl(unionTypeInference.ts, 12, 3))
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var a3 = f(1, a1 || "hello");
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>a3 : Symbol(a3, Decl(unionTypeInference.ts, 11, 3), Decl(unionTypeInference.ts, 12, 3))
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>f : Symbol(f, Decl(unionTypeInference.ts, 0, 0))
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>a1 : Symbol(a1, Decl(unionTypeInference.ts, 7, 3), Decl(unionTypeInference.ts, 8, 3))
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var a4: any;
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>a4 : Symbol(a4, Decl(unionTypeInference.ts, 13, 3), Decl(unionTypeInference.ts, 14, 3))
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var a4 = f(undefined, "abc");
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>a4 : Symbol(a4, Decl(unionTypeInference.ts, 13, 3), Decl(unionTypeInference.ts, 14, 3))
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>f : Symbol(f, Decl(unionTypeInference.ts, 0, 0))
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>undefined : Symbol(undefined)
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function g<T>(value: [string, T]): T {
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>g : Symbol(g, Decl(unionTypeInference.ts, 14, 29))
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>T : Symbol(T, Decl(unionTypeInference.ts, 16, 11))
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>value : Symbol(value, Decl(unionTypeInference.ts, 16, 14))
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>T : Symbol(T, Decl(unionTypeInference.ts, 16, 11))
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>T : Symbol(T, Decl(unionTypeInference.ts, 16, 11))
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return value[1];
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>value : Symbol(value, Decl(unionTypeInference.ts, 16, 14))
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>1 : Symbol(1)
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}
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var b1: boolean;
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>b1 : Symbol(b1, Decl(unionTypeInference.ts, 20, 3), Decl(unionTypeInference.ts, 21, 3))
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var b1 = g(["string", true]);
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>b1 : Symbol(b1, Decl(unionTypeInference.ts, 20, 3), Decl(unionTypeInference.ts, 21, 3))
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>g : Symbol(g, Decl(unionTypeInference.ts, 14, 29))
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function h<T>(x: string|boolean|T): T {
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>h : Symbol(h, Decl(unionTypeInference.ts, 21, 29))
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>T : Symbol(T, Decl(unionTypeInference.ts, 23, 11))
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>x : Symbol(x, Decl(unionTypeInference.ts, 23, 14))
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>T : Symbol(T, Decl(unionTypeInference.ts, 23, 11))
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>T : Symbol(T, Decl(unionTypeInference.ts, 23, 11))
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return typeof x === "string" || typeof x === "boolean" ? undefined : x;
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>x : Symbol(x, Decl(unionTypeInference.ts, 23, 14))
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>x : Symbol(x, Decl(unionTypeInference.ts, 23, 14))
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>undefined : Symbol(undefined)
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>x : Symbol(x, Decl(unionTypeInference.ts, 23, 14))
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}
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var c1: number;
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>c1 : Symbol(c1, Decl(unionTypeInference.ts, 27, 3), Decl(unionTypeInference.ts, 28, 3))
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var c1 = h(5);
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>c1 : Symbol(c1, Decl(unionTypeInference.ts, 27, 3), Decl(unionTypeInference.ts, 28, 3))
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>h : Symbol(h, Decl(unionTypeInference.ts, 21, 29))
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var c2: string;
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>c2 : Symbol(c2, Decl(unionTypeInference.ts, 29, 3), Decl(unionTypeInference.ts, 30, 3))
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var c2 = h("abc");
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>c2 : Symbol(c2, Decl(unionTypeInference.ts, 29, 3), Decl(unionTypeInference.ts, 30, 3))
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>h : Symbol(h, Decl(unionTypeInference.ts, 21, 29))
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