28 lines
325 B
JavaScript
28 lines
325 B
JavaScript
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type Common = {
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};
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type A = {
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type: 'A',
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foo: number
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} & Common;
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type B = {
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type: 'B',
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foo: Array<number>
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} & Common;
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type MyType = A | B;
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function print(x: number) {
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console.log(x);
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}
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function printAll(val: MyType) {
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if (val.type === 'A') {
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print(val.foo);
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} else {
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val.foo.forEach(print);
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}
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}
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