41 lines
810 B
Plaintext
41 lines
810 B
Plaintext
=== tests/cases/compiler/typeArgumentInferenceWithConstraintAsCommonRoot.ts ===
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interface Animal { x }
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>Animal : Animal
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>x : any
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interface Giraffe extends Animal { y }
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>Giraffe : Giraffe
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>Animal : Animal
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>y : any
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interface Elephant extends Animal { z }
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>Elephant : Elephant
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>Animal : Animal
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>z : any
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function f<T extends Animal>(x: T, y: T): T { return undefined; }
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>f : <T extends Animal>(x: T, y: T) => T
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>T : T
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>Animal : Animal
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>x : T
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>T : T
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>y : T
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>T : T
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>T : T
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>undefined : undefined
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var g: Giraffe;
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>g : Giraffe
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>Giraffe : Giraffe
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var e: Elephant;
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>e : Elephant
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>Elephant : Elephant
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f(g, e); // valid because both Giraffe and Elephant satisfy the constraint. T is Animal
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>f(g, e) : Animal
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>f : <T extends Animal>(x: T, y: T) => T
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>g : Giraffe
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>e : Elephant
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