std_macro_extensions/b_tree_map/
macro.rs

1/// Creates a new BTreeMap instance.
2///
3/// # Arguments
4///
5/// - `expr` - The key-value pairs to initialize the BTreeMap.
6///
7/// # Returns
8///
9/// - `BTreeMap<K, V>` - A new BTreeMap containing the given key-value pairs.
10#[macro_export]
11macro_rules! b_tree_map {
12    () => {
13        std::collections::BTreeMap::new()
14    };
15    ($($key:expr => $val:expr),*) => {{
16        let mut map = std::collections::BTreeMap::new();
17        $( map.insert($key, $val); )*
18        map
19    }};
20}