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=== tests/cases/compiler/controlFlowCommaExpressionFunctionCall.ts ===
const otherValue = () => true;
>otherValue : () => boolean
>() => true : () => boolean
>true : true
const value : number | string = null as any;
>value : string | number
>null as any : any
>null : null
function isNumber(obj: any): obj is number {
>isNumber : (obj: any) => obj is number
>obj : any
return true; // method implementation irrelevant
>true : true
}
// Bad case - fails
if (isNumber((otherValue(), value))) {
>isNumber((otherValue(), value)) : boolean
>isNumber : (obj: any) => obj is number
>(otherValue(), value) : string | number
>otherValue(), value : string | number
>otherValue() : boolean
>otherValue : () => boolean
>value : string | number
const b = value; // string | number , but should be number
>b : number
>value : number
}
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