bjoernager/rust
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Remove outdated syntax from trait alias pretty printing

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This commit is contained in:
Maybe Waffle 2022-12-06 13:45:11 +00:00
parent c5351ad4dc
commit 12ce0c2a89
2 changed files with 3 additions and 25 deletions
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15
compiler/rustc_ast_pretty/src/pprust/state/item.rs
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@ -348,21 +348,10 @@ impl<'a> State<'a> {
self.head(visibility_qualified(&item.vis, "trait")); self.head(visibility_qualified(&item.vis, "trait"));
self.print_ident(item.ident); self.print_ident(item.ident);
self.print_generic_params(&generics.params); self.print_generic_params(&generics.params);
let mut real_bounds = Vec::with_capacity(bounds.len());
// FIXME(durka) this seems to be some quite outdated syntax
for b in bounds.iter() {
if let GenericBound::Trait(ptr, ast::TraitBoundModifier::Maybe) = b {
self.space();
self.word_space("for ?");
self.print_trait_ref(&ptr.trait_ref);
} else {
real_bounds.push(b.clone());
}
}
self.nbsp(); self.nbsp();
if !real_bounds.is_empty() { if !bounds.is_empty() {
self.word_nbsp("="); self.word_nbsp("=");
self.print_type_bounds(&real_bounds); self.print_type_bounds(&bounds);
} }
self.print_where_clause(&generics.where_clause); self.print_where_clause(&generics.where_clause);
self.word(";"); self.word(";");

13
compiler/rustc_hir_pretty/src/lib.rs
View file

@ -695,19 +695,8 @@ impl<'a> State<'a> {
self.head("trait"); self.head("trait");
self.print_ident(item.ident); self.print_ident(item.ident);
self.print_generic_params(generics.params); self.print_generic_params(generics.params);
let mut real_bounds = Vec::with_capacity(bounds.len());
// FIXME(durka) this seems to be some quite outdated syntax
for b in bounds {
if let GenericBound::Trait(ptr, hir::TraitBoundModifier::Maybe) = b {
self.space();
self.word_space("for ?");
self.print_trait_ref(&ptr.trait_ref);
} else {
real_bounds.push(b);
}
}
self.nbsp(); self.nbsp();
self.print_bounds("=", real_bounds); self.print_bounds("=", bounds);
self.print_where_clause(generics); self.print_where_clause(generics);
self.word(";"); self.word(";");
self.end(); // end inner head-block self.end(); // end inner head-block