overload/
binary.rs

1#[doc(hidden)]
2#[macro_export(local_inner_macros)]
3macro_rules! _overload_binary {
4    (+, $($t:tt)+) => (_overload_binary_internal!(Add, add, $($t)+););
5    (-, $($t:tt)+) => (_overload_binary_internal!(Sub, sub, $($t)+););
6    (*, $($t:tt)+) => (_overload_binary_internal!(Mul, mul, $($t)+););
7    (/, $($t:tt)+) => (_overload_binary_internal!(Div, div, $($t)+););
8    (%, $($t:tt)+) => (_overload_binary_internal!(Rem, rem, $($t)+););
9    (&, $($t:tt)+) => (_overload_binary_internal!(BitAnd, bitand, $($t)+););
10    (|, $($t:tt)+) => (_overload_binary_internal!(BitOr, bitor, $($t)+););
11    (^, $($t:tt)+) => (_overload_binary_internal!(BitXor, bitxor, $($t)+););
12    (<<, $($t:tt)+) => (_overload_binary_internal!(Shl, shl, $($t)+););
13    (>>, $($t:tt)+) => (_overload_binary_internal!(Shr, shr, $($t)+););
14}
15
16#[doc(hidden)]
17#[macro_export(local_inner_macros)]
18macro_rules! _overload_binary_internal {
19    ($op_trait:ident, $op_fn:ident, $li:ident, $lt:ty, $ri:ident, $rt:ty, $out:ty, $body:block) => (
20        impl ops::$op_trait<$rt> for $lt {
21            type Output = $out;
22            fn $op_fn(self, $ri: $rt) -> Self::Output {
23                let $li = self;
24                $body
25            }
26        }
27    );
28}