From ff77ef2d704658a90493dc8210f52f88697ee326 Mon Sep 17 00:00:00 2001
From: Mazdak Farrokhzad <twingoow@gmail.com>
Date: Tue, 9 Jul 2019 09:26:11 +0200
Subject: Introduce 'ast::Pat::is_rest(&self) -> bool'.

---
 src/libsyntax/ast.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 37889c4918b..61a6c199701 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -580,6 +580,14 @@ impl Pat {
             | PatKind::Mac(_) => true,
         }
     }
+
+    /// Is this a `..` pattern?
+    pub fn is_rest(&self) -> bool {
+        match self.node {
+            PatKind::Rest => true,
+            _ => false,
+        }
+    }
 }
 
 /// A single field in a struct pattern
-- 
cgit 1.4.1-3-g733a5