14 lines
653 B
Plaintext
14 lines
653 B
Plaintext
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==== tests/cases/compiler/optionalParamTypeComparison.ts (2 errors) ====
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var f: (s: string, n?: number) => void;
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var g: (s: string, b?: boolean) => void;
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f = g;
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~
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!!! Type '(s: string, b?: boolean) => void' is not assignable to type '(s: string, n?: number) => void':
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!!! Types of parameters 'b' and 'n' are incompatible:
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!!! Type 'boolean' is not assignable to type 'number'.
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g = f;
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~
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!!! Type '(s: string, n?: number) => void' is not assignable to type '(s: string, b?: boolean) => void':
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!!! Types of parameters 'n' and 'b' are incompatible:
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!!! Type 'number' is not assignable to type 'boolean'.
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