18 lines
600 B
Plaintext
18 lines
600 B
Plaintext
==== tests/cases/compiler/genericDerivedTypeWithSpecializedBase2.ts (1 errors) ====
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class A<T extends { length: number }> {
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x: T;
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}
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class B<U> extends A<string> {
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y: U;
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}
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var x: A<{ length: number; foo: number }>;
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var y: B<number>;
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x = y; // error
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~
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!!! Type 'B<number>' is not assignable to type 'A<{ length: number; foo: number; }>':
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!!! Types of property 'x' are incompatible:
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!!! Type 'string' is not assignable to type '{ length: number; foo: number; }':
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!!! Property 'foo' is missing in type 'String'.
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