commit 10a3147065e359b6d3b6d65af7257c5e35a8dee6
author Christopher Di Bella <cjdb@google.com> Mon Apr 12 01:16:45 2021 +0000
committer Copybara-Service <copybara-worker@google.com> Mon May 03 14:30:39 2021 -0700
tree 8b74e2b5a67c35f5ce6a36b125550b98d4409b79
parent 8f1370d1f1341529f2eed990769456739c2013bf

[libcxx][iterator][ranges] adds `bidirectional_iterator` and `bidirectional_range`

Implements parts of:
    * P0896R4 The One Ranges Proposal`

Depends on D100275.

Differential Revision: https://reviews.llvm.org/D100278

NOKEYCHECK=True
GitOrigin-RevId: 9c5d86aac505228eddbfda86aa558467d0b7c5e6

include/ranges

diff --git a/include/ranges b/include/ranges
index 58b67f1..0328360 100644
--- a/include/ranges
+++ b/include/ranges
@@ -54,6 +54,9 @@
   template<class T>
     concept forward_range = see below;
 
+  template<class T>
+  concept bidirectional_range = see below;
+
   template <class _Tp>
     concept common_range = see below;
 }