44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
=== tests/cases/compiler/covariance1.ts ===
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module M {
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>M : Symbol(M, Decl(covariance1.ts, 0, 0))
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interface X { m1:number; }
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>X : Symbol(X, Decl(covariance1.ts, 0, 10))
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>m1 : Symbol(m1, Decl(covariance1.ts, 2, 17))
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export class XX implements X { constructor(public m1:number) { } }
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>XX : Symbol(XX, Decl(covariance1.ts, 2, 30))
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>X : Symbol(X, Decl(covariance1.ts, 0, 10))
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>m1 : Symbol(m1, Decl(covariance1.ts, 3, 47))
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interface Y { x:X; }
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>Y : Symbol(Y, Decl(covariance1.ts, 3, 70))
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>x : Symbol(x, Decl(covariance1.ts, 5, 17))
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>X : Symbol(X, Decl(covariance1.ts, 0, 10))
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export function f(y:Y) { }
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>f : Symbol(f, Decl(covariance1.ts, 5, 24))
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>y : Symbol(y, Decl(covariance1.ts, 7, 22))
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>Y : Symbol(Y, Decl(covariance1.ts, 3, 70))
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var a:X;
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>a : Symbol(a, Decl(covariance1.ts, 9, 7))
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>X : Symbol(X, Decl(covariance1.ts, 0, 10))
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f({x:a}); // ok
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>f : Symbol(f, Decl(covariance1.ts, 5, 24))
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>x : Symbol(x, Decl(covariance1.ts, 10, 7))
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>a : Symbol(a, Decl(covariance1.ts, 9, 7))
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var b:XX;
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>b : Symbol(b, Decl(covariance1.ts, 12, 7))
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>XX : Symbol(XX, Decl(covariance1.ts, 2, 30))
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f({x:b}); // ok covariant subtype
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>f : Symbol(f, Decl(covariance1.ts, 5, 24))
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>x : Symbol(x, Decl(covariance1.ts, 13, 7))
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>b : Symbol(b, Decl(covariance1.ts, 12, 7))
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}
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