18 lines
775 B
JavaScript
18 lines
775 B
JavaScript
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/* @flow */
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var x : {'123': string, bar: string} = {'123': 'val', bar: 'bar'};
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(x.foo : string); // error, key doesn't exist
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(x['foo'] : string); // error, key doesn't exist
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(x[123] : boolean); // TODO: use the number's value to error here
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(x.bar: boolean); // error, string !~> boolean
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(x['123'] : boolean); // error, string !~> boolean
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x['123'] = false; // error, boolean !~> string
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x[123] = false; // TODO: use the number's value to error here
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x['foo'+'bar'] = 'derp'; // ok since we can't tell
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(x[`foo`]: string); // error, key doesn't exist
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var y : {foo: string} = {foo: 'bar'};
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y['foo'] = 123; // error, number !~> string
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y['bar'] = 'abc'; // error, property not found
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(y['hasOwnProperty']: string); // error, prototype method is not a string
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