From afe773876e81c55b9f99dfc7c4bb41b4bdeb9da5 Mon Sep 17 00:00:00 2001
From: Michael Uleysky <uleysky@poi.dvo.ru>
Date: Wed, 13 Sep 2023 15:12:21 +1000
Subject: [PATCH] Traits for non-geographical arrays

---
 include/traits.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/include/traits.h b/include/traits.h
index 0807699..1b96c2f 100644
--- a/include/traits.h
+++ b/include/traits.h
@@ -167,3 +167,33 @@ concept ReadIs1DGeoArray = requires {
   std::declval<ReadType<T>>().Lat(0)
  } -> std::convertible_to<real>;
 };
+
+template<class T>
+concept ReadIs2DXYRectArray = requires {
+ {
+  std::declval<ReadType<T>>().Ix2X(0)
+ } -> std::convertible_to<real>;
+ {
+  std::declval<ReadType<T>>().Iy2Y(0)
+ } -> std::convertible_to<real>;
+};
+
+template<class T>
+concept ReadIs2DXYArray = requires {
+ {
+  std::declval<ReadType<T>>().X(0, 0)
+ } -> std::convertible_to<real>;
+ {
+  std::declval<ReadType<T>>().Y(0, 0)
+ } -> std::convertible_to<real>;
+};
+
+template<class T>
+concept ReadIs1DArray = requires {
+ {
+  std::declval<ReadType<T>>().X(0)
+ } -> std::convertible_to<real>;
+ {
+  std::declval<ReadType<T>>().Y(0)
+ } -> std::convertible_to<real>;
+};