import { sumOf } from "https://deno.land/std@0.196.0/collections/sum_of.ts";
Applies the given selector to all elements in the given collection and calculates the sum of the results.
Examples
Example 1
Example 1
import { sumOf } from "https://deno.land/std@0.196.0/collections/sum_of.ts";
import { assertEquals } from "https://deno.land/std@0.196.0/assert/assert_equals.ts";
const people = [
{ name: "Anna", age: 34 },
{ name: "Kim", age: 42 },
{ name: "John", age: 23 },
];
const totalAge = sumOf(people, (i) => i.age);
assertEquals(totalAge, 99);