btreemap

lexigram_lib

Macro btreemap 

Source 
macro_rules! btreemap {
    () => { ... };
    ($($key:expr => $value:expr,)+) => { ... };
    ($($key:expr => $value:expr),*) => { ... };
}
Expand description

Generates the code to initialize a BTreeMap.

The macro can be followed by parentheses or square brackets.

ยงExample

let days = btreemap![0 => "Monday", 1 => "Tuesday", 2 => "Wednesday"];
// => BTreeMap::from([(0, "Monday"), (1, "Tuesday"), (2, "Wednesday"), ])
assert_eq!(days, BTreeMap::from([(0, "Monday"), (1, "Tuesday"), (2, "Wednesday")]));