Macro bidir_map::bidir_map
[−]
[src]
macro_rules! bidir_map { (@single $($x:tt)*) => { ... }; (@count $($rest:expr),*) => { ... }; ($($key:expr => $value:expr,)+) => { ... }; ($($key:expr => $value:expr),*) => { ... }; }
Create a BidirMap
from a set of K/V-K/V pairs.
Examples
#[macro_use] extern crate bidir_map; let map = bidir_map!( "a" => 1, "b" => 2, ); assert_eq!(map.get_by_first(&"a"), Some(&1)); assert_eq!(map.get_by_second(&2), Some(&"b")); assert_eq!(map.get_by_first(&"c"), None);