Function iter_num_tools::grid_space

pub fn grid_space<R, S>(range: R, size: S) -> <R as IntoGridSpace<S>>::GridSpace where
    R: IntoGridSpace<S>, 

Creates a linear grid space over range with a fixed number of width and height steps

use iter_num_tools::grid_space;
use itertools::Itertools;

let it = grid_space((0.0, 0.0)..(1.0, 2.0), (2, 4));
itertools::assert_equal(it, vec![
    (0.0, 0.0), (0.0, 0.5), (0.0, 1.0), (0.0, 1.5),
    (0.5, 0.0), (0.5, 0.5), (0.5, 1.0), (0.5, 1.5),
]);

// inclusive and with a single step count
let it = grid_space((0.0, 0.0)..=(1.0, 2.0), 3);
itertools::assert_equal(it, vec![
    (0.0, 0.0), (0.0, 1.0), (0.0, 2.0),
    (0.5, 0.0), (0.5, 1.0), (0.5, 2.0),
    (1.0, 0.0), (1.0, 1.0), (1.0, 2.0),
]);

// even 3d spaces
let it = grid_space((0, 0, 0)..=(1, 1, 1), 2);
itertools::assert_equal(it, vec![
    (0, 0, 0), (0, 0, 1),
    (0, 1, 0), (0, 1, 1),

    (1, 0, 0), (1, 0, 1),
    (1, 1, 0), (1, 1, 1),
]);