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//// [arrayFind.ts]
// test fix for #18112, type guard predicates should narrow returned element
function isNumber(x: any): x is number {
return typeof x === "number";
}
const arrayOfStringsNumbersAndBooleans = ["string", false, 0, "strung", 1, true];
const foundNumber: number | undefined = arrayOfStringsNumbersAndBooleans.find(isNumber);
const readonlyArrayOfStringsNumbersAndBooleans = arrayOfStringsNumbersAndBooleans as ReadonlyArray<string | number | boolean>;
const readonlyFoundNumber: number | undefined = readonlyArrayOfStringsNumbersAndBooleans.find(isNumber);
//// [arrayFind.js]
// test fix for #18112, type guard predicates should narrow returned element
function isNumber(x) {
return typeof x === "number";
}
var arrayOfStringsNumbersAndBooleans = ["string", false, 0, "strung", 1, true];
var foundNumber = arrayOfStringsNumbersAndBooleans.find(isNumber);
var readonlyArrayOfStringsNumbersAndBooleans = arrayOfStringsNumbersAndBooleans;
var readonlyFoundNumber = readonlyArrayOfStringsNumbersAndBooleans.find(isNumber);
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