38 lines
789 B
Plaintext
38 lines
789 B
Plaintext
==== tests/cases/compiler/typeIdentityConsidersBrands.ts (2 errors) ====
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class X{
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name: string;
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}
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class Y{
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name: string;
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}
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class X_1 {
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private name: string;
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}
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class Y_1 {
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private name: string;
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}
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function foo(arg: X){}
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var a = new Y();
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var b = new X();
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a = b; // ok
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foo(a); // ok
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var a2 = new Y_1();
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var b2 = new X_1();
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function foo2(arg: X_1) { }
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a2 = b2; // should error
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~~
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!!! Type 'X_1' is not assignable to type 'Y_1':
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!!! Private property 'name' cannot be reimplemented.
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foo2(a2); // should error
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~~
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!!! Argument of type 'Y_1' is not assignable to parameter of type 'X_1'.
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