Added thirdparty: boost library

2026-08-18 21:28:10 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
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+/*!
+@file
+Defines operators for Iterables.
+
+Copyright Louis Dionne 2013-2022
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef BOOST_HANA_DETAIL_OPERATORS_ITERABLE_HPP
+#define BOOST_HANA_DETAIL_OPERATORS_ITERABLE_HPP
+
+#include <boost/hana/config.hpp>
+#include <boost/hana/fwd/at.hpp>
+
+
+namespace boost { namespace hana { namespace detail {
+    template <typename Derived>
+    struct iterable_operators {
+        template <typename N>
+        constexpr decltype(auto) operator[](N&& n) & {
+            return hana::at(static_cast<Derived&>(*this),
+                            static_cast<N&&>(n));
+        }
+
+        template <typename N>
+        constexpr decltype(auto) operator[](N&& n) const& {
+            return hana::at(static_cast<Derived const&>(*this),
+                            static_cast<N&&>(n));
+        }
+
+        template <typename N>
+        constexpr decltype(auto) operator[](N&& n) && {
+            return hana::at(static_cast<Derived&&>(*this),
+                            static_cast<N&&>(n));
+        }
+    };
+} }} // end namespace boost::hana
+
+#endif // !BOOST_HANA_DETAIL_OPERATORS_ITERABLE_HPP