56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
//
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// YaPB - Counter-Strike Bot based on PODBot by Markus Klinge.
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// Copyright © 2004-2021 YaPB Project <yapb@jeefo.net>.
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//
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// SPDX-License-Identifier: MIT
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//
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#pragma once
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#include <crlib/cr-basic.h>
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#include <crlib/cr-movable.h>
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CR_NAMESPACE_BEGIN
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// simple pair (twin)
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template <typename A, typename B> class Twin final {
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public:
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A first;
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B second;
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public:
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template <typename T, typename U> Twin (T &&a, U &&b) : first (cr::forward <T> (a)), second (cr::forward <U> (b)) { }
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template <typename T, typename U> Twin (const Twin <T, U> &rhs) : first (rhs.first), second (rhs.second) { }
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template <typename T, typename U> Twin (Twin <T, U> &&rhs) noexcept : first (cr::move (rhs.first)), second (cr::move (rhs.second)) { }
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public:
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explicit Twin () = default;
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~Twin () = default;
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public:
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template <typename T, typename U> Twin &operator = (const Twin <T, U> &rhs) {
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first = rhs.first;
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second = rhs.second;
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return *this;
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}
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template <typename T, typename U> Twin &operator = (Twin <T, U> &&rhs) {
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first = cr::move (rhs.first);
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second = cr::move (rhs.second);
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return *this;
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}
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// specialized operators for binary heap, do not use as it's test only second element
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public:
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friend bool operator < (const Twin &a, const Twin &b) {
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return a.second < b.second;
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}
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friend bool operator > (const Twin &a, const Twin &b) {
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return b.second < a.second;
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}
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};
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CR_NAMESPACE_END
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