32 lines
1 KiB
TypeScript
32 lines
1 KiB
TypeScript
//// [bestCommonTypeWithContextualTyping.ts]
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interface Contextual {
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dummy;
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p?: number;
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}
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interface Ellement {
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dummy;
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p: any;
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}
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var e: Ellement;
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// All of these should pass. Neither type is a supertype of the other, but the RHS should
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// always use Ellement in these examples (not Contextual). Because Ellement is assignable
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// to Contextual, no errors.
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var arr: Contextual[] = [e]; // Ellement[]
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var obj: { [s: string]: Contextual } = { s: e }; // { s: Ellement; [s: string]: Ellement }
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var conditional: Contextual = null ? e : e; // Ellement
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var contextualOr: Contextual = e || e; // Ellement
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//// [bestCommonTypeWithContextualTyping.js]
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var e;
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// All of these should pass. Neither type is a supertype of the other, but the RHS should
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// always use Ellement in these examples (not Contextual). Because Ellement is assignable
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// to Contextual, no errors.
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var arr = [e]; // Ellement[]
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var obj = { s: e }; // { s: Ellement; [s: string]: Ellement }
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var conditional = null ? e : e; // Ellement
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var contextualOr = e || e; // Ellement
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