18 lines
382 B
JavaScript
18 lines
382 B
JavaScript
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/* @flow */
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function foo() {
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this.m();
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}
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function bar(f: () => void) {
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f(); // passing global object as `this`
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({ f }).f(); // passing container object as `this`
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}
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bar(foo); // error, since `this` is used non-trivially in `foo`
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function qux(o: { f: () => void }) {
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o.f(); // passing o as `this`
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}
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qux({ f: foo }); // error, since `this` is used non-trivially in `foo`
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