libsyntax: Remove `~fn()` from the language

1 files changed, 7 insertions, 1 deletions

diff --git a/src/libsyntax/parse/obsolete.rs b/src/libsyntax/parse/obsolete.rs
index 2af6d141aa1..189cc8e827c 100644
--- a/src/libsyntax/parse/obsolete.rs
+++ b/src/libsyntax/parse/obsolete.rs
@@ -41,7 +41,8 @@ pub enum ObsoleteSyntax {
     ObsoleteLoopAsContinue,
     ObsoleteEnumWildcard,
     ObsoleteStructWildcard,
-    ObsoleteVecDotDotWildcard
+    ObsoleteVecDotDotWildcard,
+    ObsoleteBoxedClosure,
 }
 
 impl to_bytes::IterBytes for ObsoleteSyntax {
@@ -128,6 +129,11 @@ impl ParserObsoleteMethods for Parser {
                 "vec slice wildcard",
                 "use `..` instead of `.._` for matching slices"
             ),
+            ObsoleteBoxedClosure => (
+                "managed or owned closure",
+                "managed closures have been removed and owned closures are \
+                 now written `proc()`"
+            ),
         };
 
         self.report(sp, kind, kind_str, desc);