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=== tests/cases/conformance/controlFlow/controlFlowInstanceOfGuardPrimitives.ts ===
function distinguish(thing: string | number | Date) {
>distinguish : (thing: string | number | Date) => void
>thing : string | number | Date
if (thing instanceof Object) {
>thing instanceof Object : boolean
>thing : string | number | Date
>Object : ObjectConstructor
console.log("Aha!! It's a Date in " + thing.getFullYear());
>console.log("Aha!! It's a Date in " + thing.getFullYear()) : void
>console.log : (message?: any, ...optionalParams: any[]) => void
>console : Console
>log : (message?: any, ...optionalParams: any[]) => void
>"Aha!! It's a Date in " + thing.getFullYear() : string
>"Aha!! It's a Date in " : "Aha!! It's a Date in "
>thing.getFullYear() : number
>thing.getFullYear : () => number
>thing : Date
>getFullYear : () => number
} else if (typeof thing === 'string') {
>typeof thing === 'string' : boolean
>typeof thing : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>thing : string | number
>'string' : "string"
console.log("Aha!! It's a string of length " + thing.length);
>console.log("Aha!! It's a string of length " + thing.length) : void
>console.log : (message?: any, ...optionalParams: any[]) => void
>console : Console
>log : (message?: any, ...optionalParams: any[]) => void
>"Aha!! It's a string of length " + thing.length : string
>"Aha!! It's a string of length " : "Aha!! It's a string of length "
>thing.length : number
>thing : string
>length : number
} else {
console.log("Aha!! It's the number " + thing.toPrecision(3));
>console.log("Aha!! It's the number " + thing.toPrecision(3)) : void
>console.log : (message?: any, ...optionalParams: any[]) => void
>console : Console
>log : (message?: any, ...optionalParams: any[]) => void
>"Aha!! It's the number " + thing.toPrecision(3) : string
>"Aha!! It's the number " : "Aha!! It's the number "
>thing.toPrecision(3) : string
>thing.toPrecision : (precision?: number) => string
>thing : number
>toPrecision : (precision?: number) => string
>3 : 3
}
}
distinguish(new Date());
>distinguish(new Date()) : void
>distinguish : (thing: string | number | Date) => void
>new Date() : Date
>Date : DateConstructor
distinguish("beef");
>distinguish("beef") : void
>distinguish : (thing: string | number | Date) => void
>"beef" : "beef"
distinguish(3.14159265);
>distinguish(3.14159265) : void
>distinguish : (thing: string | number | Date) => void
>3.14159265 : 3.14159265
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