53 lines
1.7 KiB
Plaintext
53 lines
1.7 KiB
Plaintext
tests/cases/conformance/types/localTypes/localTypes4.ts(10,19): error TS2304: Cannot find name 'T'.
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tests/cases/conformance/types/localTypes/localTypes4.ts(10,23): error TS2304: Cannot find name 'T'.
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tests/cases/conformance/types/localTypes/localTypes4.ts(18,16): error TS2300: Duplicate identifier 'T'.
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tests/cases/conformance/types/localTypes/localTypes4.ts(19,19): error TS2300: Duplicate identifier 'T'.
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==== tests/cases/conformance/types/localTypes/localTypes4.ts (4 errors) ====
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function f1() {
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// Type parameters are in scope in parameters and return types
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function f<T>(x: T): T {
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return undefined;
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}
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}
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function f2() {
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// Local types are not in scope in parameters and return types
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function f(x: T): T {
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~
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!!! error TS2304: Cannot find name 'T'.
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~
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!!! error TS2304: Cannot find name 'T'.
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interface T { }
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return undefined;
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}
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}
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function f3() {
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// Type parameters and top-level local types are in same declaration space
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function f<T>() {
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~
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!!! error TS2300: Duplicate identifier 'T'.
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interface T { }
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~
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!!! error TS2300: Duplicate identifier 'T'.
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return undefined;
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}
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}
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function f4() {
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// Local types are block scoped
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interface T { x: number }
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let v: T;
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v.x = 10;
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if (true) {
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interface T { x: string }
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let v: T;
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v.x = "hello";
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}
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else {
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v.x = 20;
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}
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}
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