fart

Macro user_const

Source 
macro_rules! user_const {
    (
        $(
            const $name:ident : $ty:ty = $default:expr ;
        )*
    ) => { ... };
}
Expand description

User-defined, runtime “constants”.

fart::user_const! {
    const NUMBER_OF_PARTICLES: usize = 1234;
}