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 ranger

pub fn main() {
 let range =
   ranger.create(
     validate: fn(_) { True },
     negate_step: fn(s) { -1.0 *. s },
     add: fn(a, b) { a +. b },
     compare: float.compare,
   )

 let assert Ok(z_to_p) = range("z", "p", 1)
 z_to_p
 |> iterator.to_list
}