Macro feo3boy_opcodes::count_repetition

macro_rules! count_repetition {
    () => { ... };
    ($($rep:tt),* $(,)?) => { ... };
    (@__replace $v:tt) => { ... };
}

Counts the number of repetitions in a macro invocation. Produces a constant expression.

Usage:

count_repetition!(a, 3, (), {}, 4, foo);