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@std/collections@0.215.0

latest
Works with
It is unknown whether this package works with Node.js, Deno, Browsers, Cloudflare Workers, Bun
It is unknown whether this package works with Node.js
It is unknown whether this package works with Deno
It is unknown whether this package works with Browsers
It is unknown whether this package works with Cloudflare Workers
It is unknown whether this package works with Bun
•JSR Score70%•
Downloads1/wk
•
Published2 years ago (0.215.0)
function maxOf
maxOf<T>(
array: Iterable<T>,
selector: (el: T) => number
): number | undefined

Applies the given selector to all elements of the provided collection and returns the max value of all elements. If an empty array is provided the function will return undefined

Examples

Example 1

import { maxOf } from "@std/collections/max_of";
import { assertEquals } from "@std/assert/assert_equals";

const inventory = [
  { name: "mustard", count: 2 },
  { name: "soy", count: 4 },
  { name: "tomato", count: 32 },
];

const maxCount = maxOf(inventory, (i) => i.count);

assertEquals(maxCount, 32);

Type Parameters

T

Parameters

array: Iterable<T>
selector: (el: T) => number

Return Type

number | undefined
maxOf<T>(
array: Iterable<T>,
selector: (el: T) => bigint
): bigint | undefined

Applies the given selector to all elements of the provided collection and returns the max value of all elements. If an empty array is provided the function will return undefined

Examples

Example 1

import { maxOf } from "@std/collections/max_of";
import { assertEquals } from "@std/assert/assert_equals";

const inventory = [
  { name: "mustard", count: 2n },
  { name: "soy", count: 4n },
  { name: "tomato", count: 32n },
];

const maxCount = maxOf(inventory, (i) => i.count);

assertEquals(maxCount, 32n);

Type Parameters

T

Parameters

array: Iterable<T>
selector: (el: T) => bigint

Return Type

bigint | undefined

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Add Package

deno add jsr:@std/collections

Import symbol

import { maxOf } from "@std/collections/max_of";
or

Import directly with a jsr specifier

import { maxOf } from "jsr:@std/collections/max_of";