macro_rules! btset {
() => { ... };
( $($elem: expr),+ $(,)? ) => { ... };
}
Expand description
Create a BTreeSet
from a list of elements.
Example
use sugars::btset;
let set = btset! {"a", "b"};
assert!(set.contains("a"));
assert!(set.contains("b"));
assert!(!set.contains("c"));
let mut iter = set.iter();
assert_eq!(Some(&"a"), iter.next());
assert_eq!(Some(&"b"), iter.next());
assert_eq!(None, iter.next());