create ranges over any type
gleam test # Run the tests
gleam shell # Run an Erlang shell
This package can be added to your Gleam project:
gleam add ranger
and its documentation can be found at https://hexdocs.pm/ranger.
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
}