From 05d0e2eb77653518cf94037e66ae65ab61df6733 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Fri, 7 Apr 2017 10:54:21 +0100
Subject: [PATCH] Add utility functions for rdctype::pair, make_pair and cast
 to tuple

* make_pair is obvious, the cast to tuple allows using std::tie to split
  a returned pair into two local variables.
---
 renderdoc/api/replay/basic_types.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/renderdoc/api/replay/basic_types.h b/renderdoc/api/replay/basic_types.h
index c03d19a01..37159fb79 100644
--- a/renderdoc/api/replay/basic_types.h
+++ b/renderdoc/api/replay/basic_types.h
@@ -29,6 +29,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <string>
+#include <tuple>
 #include <vector>
 
 // we provide a basic templated type that is a fixed array that just contains a pointer to the
@@ -46,8 +47,19 @@ struct pair
 {
   A first;
   B second;
+
+  operator std::tuple<A &, B &>() { return std::tie(first, second); }
 };
 
+template <typename A, typename B>
+pair<A, B> make_pair(const A &a, const B &b)
+{
+  pair<A, B> ret;
+  ret.first = a;
+  ret.second = b;
+  return ret;
+}
+
 template <typename T>
 struct array
 {