diff options
Diffstat (limited to 'compiler/rustc_expand/src/expand.rs')
| -rw-r--r-- | compiler/rustc_expand/src/expand.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index 37ff6b9b368..2da5bde028f 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -1134,7 +1134,9 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> { if let Some(attr) = self.take_first_attr_no_derive(&mut expr) { // Collect the invoc regardless of whether or not attributes are permitted here // expansion will eat the attribute so it won't error later. - attr.0.as_ref().map(|attr| self.cfg.maybe_emit_expr_attr_err(attr)); + if let Some(attr) = attr.0.as_ref() { + self.cfg.maybe_emit_expr_attr_err(attr) + } // AstFragmentKind::Expr requires the macro to emit an expression. return self @@ -1231,7 +1233,9 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> { self.cfg.configure_expr_kind(&mut expr.kind); if let Some(attr) = self.take_first_attr_no_derive(&mut expr) { - attr.0.as_ref().map(|attr| self.cfg.maybe_emit_expr_attr_err(attr)); + if let Some(attr) = attr.0.as_ref() { + self.cfg.maybe_emit_expr_attr_err(attr) + } return self .collect_attr(attr, Annotatable::Expr(P(expr)), AstFragmentKind::OptExpr) |