counter

gleam add counter

import counter
import gleam/io

pub fn main() {
  let c = ["dog", "cat", "mouse", "dog", "dog", "cat"] |> counter.from_list

  c |> counter.most_common |> io.debug
  // [#("dog", 3), #("cat", 2), #("mouse", 1)]

  c |> counter.unique_size |> io.debug
  // 3

  c |> counter.total |> io.debug
  // 6

  c |> counter.get("horse") |> io.debug
  // 0

  let c = c |> counter.insert("horse")

  c |> counter.get("horse") |> io.debug
  // 1

  c |> counter.keys |> io.debug
  // ["cat", "dog", "horse", "mouse"]

  c |> counter.elements |> io.debug
  // ["mouse", "horse", "dog", "dog", "dog", "cat", "cat"]
}