16fc7a22e2
A union type literal is written as a sequence of types separated by vertical bars. UnionType: PrimaryOrUnionType | PrimaryType A union typle literal references a union type. When function or constructor types are included in union types they must be enclosed in parentheses
30 lines
905 B
TypeScript
30 lines
905 B
TypeScript
//// [unionTypeLiterals.ts]
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// basic valid forms of union literals
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var simpleUnion: string | number;
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var unionOfUnion: string | number | boolean;
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var arrayOfUnions: (string | number)[];
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var arrayOfUnions: Array<string | number>;
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var unionOfFunctionType: (() => string) | (() => number);
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var unionOfFunctionType: { (): string } | { (): number };
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var unionOfFunctionType: () => string | number;
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var unionOfConstructorType: (new () => string) | (new () => number);
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var unionOfConstructorType: { new (): string } | { new (): number };
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var unionOfConstructorType: new () => string | number;
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//// [unionTypeLiterals.js]
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// basic valid forms of union literals
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var simpleUnion;
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var unionOfUnion;
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var arrayOfUnions;
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var arrayOfUnions;
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var unionOfFunctionType;
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var unionOfFunctionType;
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var unionOfFunctionType;
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var unionOfConstructorType;
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var unionOfConstructorType;
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var unionOfConstructorType;
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