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Remove some unnecessarily verbose code

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This commit is contained in:
Esteban Kuber 2021-11-17 23:47:47 +00:00
parent fa3eebb26e
commit 8bee2b88c0
1 changed files with 5 additions and 20 deletions
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25
compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
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@ -609,28 +609,13 @@ impl<'a> TraitDef<'a> {
// and similarly for where clauses
where_clause.predicates.extend(generics.where_clause.predicates.iter().map(|clause| {
match *clause {
ast::WherePredicate::BoundPredicate(ref wb) => {
ast::WherePredicate::BoundPredicate(ast::WhereBoundPredicate {
span: wb.span,
bound_generic_params: wb.bound_generic_params.clone(),
bounded_ty: wb.bounded_ty.clone(),
bounds: wb.bounds.to_vec(),
})
}
ast::WherePredicate::RegionPredicate(ref rb) => {
ast::WherePredicate::RegionPredicate(ast::WhereRegionPredicate {
span: rb.span,
lifetime: rb.lifetime,
bounds: rb.bounds.to_vec(),
})
}
ast::WherePredicate::EqPredicate(ref we) => {
match clause {
ast::WherePredicate::BoundPredicate(_)
| ast::WherePredicate::RegionPredicate(_) => clause.clone(),
ast::WherePredicate::EqPredicate(we) => {
ast::WherePredicate::EqPredicate(ast::WhereEqPredicate {
id: ast::DUMMY_NODE_ID,
span: we.span,
lhs_ty: we.lhs_ty.clone(),
rhs_ty: we.rhs_ty.clone(),
..we.clone()
})
}
}