Use ThinVec in ast::WhereClause.

2022-11-22 16:23:25 +11:00
parent dd7aff5cc5
commit 068db466e8
6 changed files with 92 additions and 76 deletions
--- a/compiler/rustc_parse/src/parser/generics.rs
+++ b/compiler/rustc_parse/src/parser/generics.rs
@@ -258,7 +258,7 @@ impl<'a> Parser<'a> {
            params,
            where_clause: WhereClause {
                has_where_token: false,
-                predicates: Vec::new(),
+                predicates: ThinVec::new(),
                span: self.prev_token.span.shrink_to_hi(),
            },
            span,
@@ -288,7 +288,7 @@ impl<'a> Parser<'a> {
    ) -> PResult<'a, (WhereClause, Option<Vec<ast::FieldDef>>)> {
        let mut where_clause = WhereClause {
            has_where_token: false,
-            predicates: Vec::new(),
+            predicates: ThinVec::new(),
            span: self.prev_token.span.shrink_to_hi(),
        };
        let mut tuple_struct_body = None;