88 lines
1.8 KiB
TypeScript
88 lines
1.8 KiB
TypeScript
//// [assignmentCompatWithCallSignatures2.ts]
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// void returning call signatures can be assigned a non-void returning call signature that otherwise matches
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interface T {
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f(x: number): void;
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}
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var t: T;
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var a: { f(x: number): void };
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t = a;
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a = t;
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interface S {
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f(x: number): string;
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}
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var s: S;
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var a2: { f(x: number): string };
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t = s;
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t = a2;
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a = s;
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a = a2;
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t = { f: () => 1 };
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t = { f: <T>(x:T) => 1 };
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t = { f: function f() { return 1 } };
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t = { f(x: number) { return ''; } }
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a = { f: () => 1 }
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a = { f: <T>(x: T) => 1 };
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a = { f: function (x: number) { return ''; } }
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// errors
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t = () => 1;
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t = function (x: number) { return ''; }
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a = () => 1;
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a = function (x: number) { return ''; }
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interface S2 {
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f(x: string): void;
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}
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var s2: S2;
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var a3: { f(x: string): void };
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// these are errors
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t = s2;
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t = a3;
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t = (x: string) => 1;
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t = function (x: string) { return ''; }
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a = s2;
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a = a3;
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a = (x: string) => 1;
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a = function (x: string) { return ''; }
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//// [assignmentCompatWithCallSignatures2.js]
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// void returning call signatures can be assigned a non-void returning call signature that otherwise matches
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var t;
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var a;
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t = a;
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a = t;
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var s;
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var a2;
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t = s;
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t = a2;
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a = s;
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a = a2;
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t = { f: function () { return 1; } };
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t = { f: function (x) { return 1; } };
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t = { f: function f() { return 1; } };
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t = { f: function (x) { return ''; } };
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a = { f: function () { return 1; } };
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a = { f: function (x) { return 1; } };
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a = { f: function (x) { return ''; } };
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// errors
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t = function () { return 1; };
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t = function (x) { return ''; };
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a = function () { return 1; };
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a = function (x) { return ''; };
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var s2;
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var a3;
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// these are errors
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t = s2;
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t = a3;
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t = function (x) { return 1; };
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t = function (x) { return ''; };
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a = s2;
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a = a3;
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a = function (x) { return 1; };
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a = function (x) { return ''; };
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