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units: allow multiple invocations in impl_op_for_references macro 

This is not too complicated a change to support and it will reduce the
noise in the following commits a fair bit.
This commit is contained in:
Andrew Poelstra 2025-02-18 15:55:14 +00:00
parent 2da332e04a
commit a358e79a85
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GPG Key ID: C588D63CE41B97C1
2 changed files with 3 additions and 5 deletions
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2
units/src/amount/result.rs
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@ -129,9 +129,7 @@ crate::internal_macros::impl_op_for_references! {
fn add(self, rhs: Amount) -> Self::Output { self.checked_add(rhs).valid_or_error() }
}
}
crate::internal_macros::impl_op_for_references! {
impl ops::Add<NumOpResult<Amount>> for Amount {
type Output = NumOpResult<Amount>;

6
units/src/internal_macros.rs
View File

@ -18,14 +18,14 @@
/// You must specify `$other_ty` and you may not use `Self`. So e.g. you need
/// to write `impl ops::Add<Amount> for Amount { ... }` when calling this macro.
macro_rules! impl_op_for_references {
(
($(
impl $($op_trait:ident)::+<$other_ty:ty> for $ty:ty {
type Output = $($main_output:ty)*;
fn $op:ident($($main_args:tt)*) -> Self::Output {
$($main_impl:tt)*
}
}
) => {
)+) => {$(
impl $($op_trait)::+<$other_ty> for $ty {
type Output = $($main_output)*;
fn $op($($main_args)*) -> Self::Output {
@ -53,7 +53,7 @@ macro_rules! impl_op_for_references {
(*self).$op(*rhs)
}
}
};
)+};
}
pub(crate) use impl_op_for_references;