Macro bindmap 

macro_rules! bindmap {
    ( $( $k:expr => $v1:expr ),* $(,)? ) => { ... };
}

Example

    use matchmaker::{binds::{BindMap, bindmap, key}, action::Action};
    let default_config: BindMap = bindmap!(
       key!(alt-enter) => Action::Print("".into())
       // custom actions can be specified directly: key!(ctrl-c) => FsAction::Enter
   );