hexga_map_on 0.0.11-beta.53

Define the map_on! macro that can be used to impl a lot of trait quickly using macros.
Documentation 
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use hexga_map_on::*;

macro_rules! print_type {
    ($type_name:ty) => {
        println!("type {}", ::std::any::type_name::<$type_name>());
    };
}

fn main()
{
    // manual stuff
    print_type!(f32);
    print_type!(f64);

    println!("---");

    // with a macro
    map_on!((f32, f64), print_type);

    println!("---");
    println!("Hello, world!");
}