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=== tests/cases/conformance/expressions/typeGuards/TypeGuardWithArrayUnion.ts ===
class Message {
>Message : Message
value: string;
>value : string
}
function saySize(message: Message | Message[]) {
>saySize : (message: Message | Message[]) => number
>message : Message | Message[]
if (message instanceof Array) {
>message instanceof Array : boolean
>message : Message | Message[]
>Array : ArrayConstructor
return message.length; // Should have type Message[] here
>message.length : number
>message : Message[]
>length : number
}
}
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