@std/collections@0.215.0

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Published2 years ago (0.215.0)

function dropLastWhile

dropLastWhile<T>(array: readonly T[],
predicate: (el: T) => boolean
): T[]

Returns a new array that drops all elements in the given collection until the last element that does not match the given predicate.

Examples

Example 1

import { dropLastWhile } from "@std/collections/drop_last_while";
import { assertEquals } from "@std/assert/assert_equals";

const numbers = [22, 30, 44];

const notFortyFour = dropLastWhile(numbers, (i) => i !== 44);

assertEquals(
  notFortyFour,
  [22, 30],
);

Type Parameters

T

Parameters

array: readonly T[]

predicate: (el: T) => boolean

Return Type

T[]

Add Package

deno add jsr:@std/collections

Import symbol

import { dropLastWhile } from "@std/collections/drop_last_while";

Import directly with a jsr specifier

import { dropLastWhile } from "jsr:@std/collections/drop_last_while";