From: Jan Sjodin <jan_sjodin@yahoo.com>
Date: Thu, 9 Mar 2017 18:25:07 +0000 (+0000)
Subject: Add front() method to SetVector.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3640f26b7e13e7efe1e0674d8cec4e5dc0c903c1;p=llvm

Add front() method to SetVector.

Differential Revision: https://reviews.llvm.org/D27262



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297398 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/SetVector.h b/include/llvm/ADT/SetVector.h
index 4dc18bc5217..220b87983ee 100644
--- a/include/llvm/ADT/SetVector.h
+++ b/include/llvm/ADT/SetVector.h
@@ -119,6 +119,12 @@ public:
     return vector_.rend();
   }
 
+  /// \brief Return the first element of the SetVector.
+  const T &front() const {
+    assert(!empty() && "Cannot call front() on empty SetVector!");
+    return vector_.front();
+  }
+
   /// \brief Return the last element of the SetVector.
   const T &back() const {
     assert(!empty() && "Cannot call back() on empty SetVector!");