macro_rules! cset {
($($tokens: tt)+) => { ... };
}
Expand description
Build HashSet
from collection iterator comprehensions.
Limitations
- Only 3 nested comprehensions
Examples:
use sugars::cset;
let w = cset!{x; x in 1..10};
let z = cset!{x; x in 1..10, if x%2 == 0};