From 4054759aecd06313a775c8c71748ec52ca7dc27d Mon Sep 17 00:00:00 2001
From: Mikhail Svetkin <mikhail.svetkin@qt.io>
Date: Fri, 8 Mar 2019 15:38:33 +0100
Subject: core: Add deduction guides for QPair

[ChangeLog][QtCore] Added support of deduction guides for QPair

Change-Id: I41a798390dc2c925b0f8432ba12aa345724de2d7
Reviewed-by: Martin Smith <martin.smith@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
---
 src/corelib/tools/qpair.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/corelib/tools')

diff --git a/src/corelib/tools/qpair.h b/src/corelib/tools/qpair.h
index 94977fc826..1af43d0a68 100644
--- a/src/corelib/tools/qpair.h
+++ b/src/corelib/tools/qpair.h
@@ -97,6 +97,11 @@ struct QPair
     T2 second;
 };
 
+#if defined(__cpp_deduction_guides) && __cpp_deduction_guides >= 201606
+template<class T1, class T2>
+QPair(T1, T2) -> QPair<T1, T2>;
+#endif
+
 template <typename T1, typename T2>
 void swap(QPair<T1, T2> &lhs, QPair<T1, T2> &rhs) Q_DECL_NOEXCEPT_EXPR(noexcept(lhs.swap(rhs)))
 { lhs.swap(rhs); }
-- 
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