ranger

create ranges over any type

Quick start

gleam test  # Run the tests
gleam shell # Run an Erlang shell

Installation

This package can be added to your Gleam project:

gleam add ranger

and its documentation can be found at https://hexdocs.pm/ranger.

Usage

import gleam/int
import gleam/yielder

import ranger

pub fn main() {
  let range =
    ranger.create(
      validate: fn(_) { True },
      negate_step: fn(s) { -1 * s },
      add: fn(a, b) { a + b },
      compare: int.compare,
    )

  let assert Ok(ten_to_five) = range(10, 5, 1)
  ten_to_five
  |> yielder.to_list
}