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Module

std/collections/_utils.ts

Deno standard library
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** * Filters the given array, removing all elements that do not match the given predicate * **in place. This means `array` will be modified!**. */export function filterInPlace<T>( array: Array<T>, predicate: (el: T) => boolean,): Array<T> { let outputIndex = 0;
for (const cur of array) { if (!predicate(cur)) { continue; }
array[outputIndex] = cur; outputIndex += 1; }
array.splice(outputIndex);
return array;}
/** * Produces a random number between the inclusive `lower` and `upper` bounds. */export function randomInteger(lower: number, upper: number) { return lower + Math.floor(Math.random() * (upper - lower + 1));}