Macro apply_m

macro_rules! apply_m {
    ($i:expr, $self_:ident.$method:ident, $($args:expr),* ) => { ... };
}

emulate function currying for method calls on structs apply_m!(self.my_function, arg1, arg2, ...) becomes self.my_function(input, arg1, arg2, ...)

Supports up to 6 arguments