26 lines
1.3 KiB
Plaintext
26 lines
1.3 KiB
Plaintext
==== tests/cases/compiler/genericTypeWithNonGenericBaseMisMatch.ts (2 errors) ====
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interface I {
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f: (a: { a: number }) => void
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}
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class X<T extends { a: string }> implements I {
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~
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!!! Class 'X<T>' incorrectly implements interface 'I':
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!!! Types of property 'f' are incompatible:
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!!! Type '(a: T) => void' is not assignable to type '(a: { a: number; }) => void':
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!!! Types of parameters 'a' and 'a' are incompatible:
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!!! Type 'T' is not assignable to type '{ a: number; }':
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!!! Types of property 'a' are incompatible:
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!!! Type 'string' is not assignable to type 'number'.
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f(a: T): void { }
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}
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var x = new X<{ a: string }>();
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var i: I = x; // Should not be allowed -- type of 'f' is incompatible with 'I'
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~
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!!! Type 'X<{ a: string; }>' is not assignable to type 'I':
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!!! Types of property 'f' are incompatible:
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!!! Type '(a: { a: string; }) => void' is not assignable to type '(a: { a: number; }) => void':
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!!! Types of parameters 'a' and 'a' are incompatible:
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!!! Type '{ a: string; }' is not assignable to type '{ a: number; }':
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!!! Types of property 'a' are incompatible:
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!!! Type 'string' is not assignable to type 'number'.
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