macro_rules! set {
{ } => { ... };
{ $($value:expr),+ } => { ... };
}
Macro for creating [HashSet] in the same manner as vec! is used for
Vec:
#[macro_use]
extern crate amplify;
let map = set![5, 6, 7];
NB: you can't use repeated values with [HashSet], unlike to Vec's:
#[macro_use]
extern crate amplify;
assert_eq!(set![1, 2, 3, 1], set![1, 2, 3]);