39 lines
1.7 KiB
Plaintext
39 lines
1.7 KiB
Plaintext
==== tests/cases/compiler/overloadResolutionTest1.ts (3 errors) ====
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function foo(bar:{a:number;}[]):string;
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function foo(bar:{a:boolean;}[]):number;
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function foo(bar:{a:any;}[]):any{ return bar };
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var x1 = foo([{a:true}]); // works
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var x11 = foo([{a:0}]); // works
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var x111 = foo([{a:"s"}]); // error - does not match any signature
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~~~~~~~~~
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!!! Argument of type '{ a: string; }[]' is not assignable to parameter of type '{ a: boolean; }[]'.
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!!! Type '{ a: string; }' is not assignable to type '{ a: boolean; }':
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!!! Types of property 'a' are incompatible:
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!!! Type 'string' is not assignable to type 'boolean'.
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var x1111 = foo([{a:null}]); // works - ambiguous call is resolved to be the first in the overload set so this returns a string
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function foo2(bar:{a:number;}):string;
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function foo2(bar:{a:boolean;}):number;
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function foo2(bar:{a:any;}):any{ return bar };
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var x2 = foo2({a:0}); // works
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var x3 = foo2({a:true}); // works
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var x4 = foo2({a:"s"}); // error
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~~~~~~~
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!!! Argument of type '{ a: string; }' is not assignable to parameter of type '{ a: boolean; }'.
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!!! Types of property 'a' are incompatible:
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!!! Type 'string' is not assignable to type 'boolean'.
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function foo4(bar:{a:number;}):number;
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function foo4(bar:{a:string;}):string;
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function foo4(bar:{a:any;}):any{ return bar };
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var x = foo4({a:true}); // error
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~~~~~~~~
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!!! Argument of type '{ a: boolean; }' is not assignable to parameter of type '{ a: string; }'.
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!!! Types of property 'a' are incompatible:
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!!! Type 'boolean' is not assignable to type 'string'. |