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add index for variables slice

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Folkert 2021-08-11 20:11:50 +02:00
parent 4386d3d5f4
commit 823824c62d
1 changed files with 14 additions and 0 deletions
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14
compiler/types/src/subs.rs
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@ -134,6 +134,20 @@ impl std::ops::IndexMut<SubsIndex<RecordField<()>>> for Subs {
}
}
impl std::ops::Index<SubsIndex<VariableSubsSlice>> for Subs {
type Output = VariableSubsSlice;
fn index(&self, index: SubsIndex<VariableSubsSlice>) -> &Self::Output {
&self.variable_slices[index.start as usize]
}
}
impl std::ops::IndexMut<SubsIndex<VariableSubsSlice>> for Subs {
fn index_mut(&mut self, index: SubsIndex<VariableSubsSlice>) -> &mut Self::Output {
&mut self.variable_slices[index.start as usize]
}
}
// custom debug
impl<T> std::fmt::Debug for SubsIndex<T> {