Expand description
Assert a bag is a subbag of another.
Pseudocode:
(a_collection ⇒ a_bag) ⊂ (b_collection ⇒ b_bag)
§Example
use assertables::*;
let a = [1, 1];
let b = [1, 1, 1];
assert_bag_subbag!(a, b);This implementation uses ::std::collections::BTreeMap to count items and sort them.