16 lines
512 B
Plaintext
16 lines
512 B
Plaintext
==== tests/cases/compiler/optionalParamAssignmentCompat.ts (1 errors) ====
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interface I1 {
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(p1: number, p2: string): void;
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}
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interface I2 {
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p1: I1;
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m1(p1?: string): I1;
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}
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var i2: I2;
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var c: I1 = i2.p1; // should be ok
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var d: I1 = i2.m1; // should error
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~
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!!! Type '(p1?: string) => I1' is not assignable to type 'I1':
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!!! Types of parameters 'p1' and 'p1' are incompatible:
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!!! Type 'string' is not assignable to type 'number'.
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