variable charAtimport { charAt } from "https://deno.land/x/core_fn@v1.0.0-beta.16/uncurry/string/char_at.ts"; Returns the character at the specified index. ExamplesExample 1 charAt(0, 'hello') // 'h' charAt(4, 'hello') // 'o' charAt(100, 'hello') // '' type<T extends number, U extends string>(pos: T, val: U) => CharAt<T, U>