Macro nano_ecs::push_impl

macro_rules! push_impl {
    (4) => { ... };
    (8) => { ... };
    (16) => { ... };
    (32) => { ... };
    (64) => { ... };
    ($n:ident : $x:ident) => { ... };
    ($n:ident : $x:ident, $($n2:ident : $x2:ident),*) => { ... };
}

Calls push macro with smaller arguments.