macro_rules! impl_to_primitive_float_to_signed_int { ($f:ident : $( $(#[$cfg:meta])* fn $method:ident -> $i:ident ; )*) => { ... }; }
macro_rules! impl_to_primitive_float_to_signed_int { ($f:ident : $( $(#[$cfg:meta])* fn $method:ident -> $i:ident ; )*) => { ... }; }