Macro overloadable

overloadable!() { /* proc-macro */ }

Overloadable function macro. Please read the top level documentation for this crate for more information on this.

Example:

overloadable::overloadable! {
    my_func as
    fn(x: usize) -> usize {
        x * 2
    },
    fn(x: &str) -> usize {
        x.len()
    },
    fn<T: Debug>(x: T, y: T) -> String where T: Display {
        format!("{:?}, {}", x, y)
    },
    fn<T: Debug + Display>((x, y): (T, T)) -> String {
        my_func(x, y)
    },
}