From 4c15ff6e60af4a9f72bcd840ee5c0034e4007c18 Mon Sep 17 00:00:00 2001
From: Max Lyon <lyon@cs.rwth-aachen.de>
Date: Thu, 17 Oct 2019 16:02:00 +0200
Subject: [PATCH] add any of and all of to smart ranges

---
 src/OpenMesh/Core/Mesh/SmartRange.hh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/OpenMesh/Core/Mesh/SmartRange.hh b/src/OpenMesh/Core/Mesh/SmartRange.hh
index 8b40e6e2..07299d48 100644
--- a/src/OpenMesh/Core/Mesh/SmartRange.hh
+++ b/src/OpenMesh/Core/Mesh/SmartRange.hh
@@ -116,6 +116,26 @@ struct SmartRangeT
     return (1.0 / n_elements) * sum;
   }
 
+  template <typename Functor>
+  auto any_of(Functor&& f) -> bool
+  {
+    auto range = static_cast<const RangeT*>(this);
+    for (auto e : *range)
+      if (f(e))
+        return true;
+    return false;
+  }
+
+  template <typename Functor>
+  auto all_of(Functor&& f) -> bool
+  {
+    auto range = static_cast<const RangeT*>(this);
+    for (auto e : *range)
+      if (!f(e))
+        return false;
+    return true;
+  }
+
   /** @brief Convert range to array.
   *
   * Converts the range of elements into an array of objects returned by functor \p f.