16 lines
424 B
JavaScript
16 lines
424 B
JavaScript
/* @flow */
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function foo0(x: Array<{[key: string]: mixed}>): Array<{[key: string]: mixed}> {
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// this adds a fooBar property to the param type, which should NOT cause
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// an error in the return type because it is a dictionary.
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x[0].fooBar = 'foobar';
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return x;
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}
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function foo2(
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x: {[key: string]: number}
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): {[key: string]: number, +toString: () => string} {
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// x's prototype has a toString method
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return x;
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}
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