Created
March 20, 2019 11:29
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interface InterfaceWithOptional { | |
foo?: number; | |
} | |
interface InterfaceWithUndefined { | |
foo: number | undefined; | |
} | |
function getInterfaceWithOptional(): InterfaceWithOptional { ... } | |
const x: InterfaceWithUndefined = getInterfaceWithOptional(); // Error! |
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