From e8b38bd8de4a2458883e3d104c24752e2b0851dc Mon Sep 17 00:00:00 2001
From: odlomax <oliver.lomax@metoffice.gov.uk>
Date: Wed, 25 Sep 2024 15:52:58 +0100
Subject: [PATCH] Added ValueIs helper template.

---
 src/atlas/array/ArrayViewVariant.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/atlas/array/ArrayViewVariant.h b/src/atlas/array/ArrayViewVariant.h
index 34e153303..0ea3f87c6 100644
--- a/src/atlas/array/ArrayViewVariant.h
+++ b/src/atlas/array/ArrayViewVariant.h
@@ -85,5 +85,12 @@ constexpr bool RankIs() {
   return ((std::decay_t<View>::rank() == Ranks) || ...);
 }
 
+/// @brief Return true if View::non_const_value_type is any of Values...
+template <typename View, typename... Values>
+constexpr bool ValueIs() {
+  using Value = typename std::decay_t<View>::non_const_value_type;
+  return ((std::is_same_v<Value, Values>) || ...);
+}
+
 }  // namespace array
 }  // namespace atlas