22 lines
305 B
JavaScript
22 lines
305 B
JavaScript
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/* @flow */
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type thing = number | bool
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function foo(x: thing) {
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if (x === true) {
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x[0]; // error on boolean
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}
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}
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function bar(x: thing) {
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if (x !== true && x !== false) {
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x[0]; // error on number
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}
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}
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function baz(x: ?thing) {
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if (x && x !== true) {
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x[0]; // error on number
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}
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}
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