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tests/cases/compiler/extendAndImplementTheSameBaseType2.ts(7,7): error TS2420: Class 'D' incorrectly implements interface 'C<number>'.
Types of property 'bar' are incompatible.
Type '() => string' is not assignable to type '() => number'.
Type 'string' is not assignable to type 'number'.
tests/cases/compiler/extendAndImplementTheSameBaseType2.ts(12,5): error TS2322: Type 'number' is not assignable to type 'string'.
tests/cases/compiler/extendAndImplementTheSameBaseType2.ts(16,5): error TS2322: Type 'string' is not assignable to type 'number'.
==== tests/cases/compiler/extendAndImplementTheSameBaseType2.ts (3 errors) ====
class C<T> {
foo: number
bar(): T {
return null;
}
}
class D extends C<string> implements C<number> {
~
!!! error TS2420: Class 'D' incorrectly implements interface 'C<number>'.
!!! error TS2420: Types of property 'bar' are incompatible.
!!! error TS2420: Type '() => string' is not assignable to type '() => number'.
!!! error TS2420: Type 'string' is not assignable to type 'number'.
baz() { }
}
var d: D = new D();
var r: string = d.foo;
~
!!! error TS2322: Type 'number' is not assignable to type 'string'.
var r2: number = d.foo;
var r3: string = d.bar();
var r4: number = d.bar();
~~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
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