diff options
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/mtwt.rs | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/libsyntax/ext/mtwt.rs b/src/libsyntax/ext/mtwt.rs index 72431d8e6aa..2b811ce914f 100644 --- a/src/libsyntax/ext/mtwt.rs +++ b/src/libsyntax/ext/mtwt.rs @@ -66,9 +66,8 @@ pub fn apply_mark(m: Mrk, ctxt: SyntaxContext) -> SyntaxContext { /// Extend a syntax context with a given mark and sctable (explicit memoization) fn apply_mark_internal(m: Mrk, ctxt: SyntaxContext, table: &SCTable) -> SyntaxContext { let key = (ctxt, m); - * table.mark_memo.borrow_mut().entry(key).get().unwrap_or_else( - |vacant_entry| - vacant_entry.insert(idx_push(&mut *table.table.borrow_mut(), Mark(m, ctxt)))) + * table.mark_memo.borrow_mut().entry(key) + .default_with(|| idx_push(&mut *table.table.borrow_mut(), Mark(m, ctxt))) } /// Extend a syntax context with a given rename @@ -84,9 +83,8 @@ fn apply_rename_internal(id: Ident, table: &SCTable) -> SyntaxContext { let key = (ctxt, id, to); - * table.rename_memo.borrow_mut().entry(key).get().unwrap_or_else( - |vacant_entry| - vacant_entry.insert(idx_push(&mut *table.table.borrow_mut(), Rename(id, to, ctxt)))) + * table.rename_memo.borrow_mut().entry(key) + .default_with(|| idx_push(&mut *table.table.borrow_mut(), Rename(id, to, ctxt))) } /// Apply a list of renamings to a context |