BlocksConnectionSide.h

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#ifndef BUSINESS_LOGIC_ELEMENTS_BLOCKS_STRUCTURES_BLOCKS_CONNECTION_SIDE_H
#define BUSINESS_LOGIC_ELEMENTS_BLOCKS_STRUCTURES_BLOCKS_CONNECTION_SIDE_H
 
#include "elements/blocks/structures/Port.h"
 
// forward declaration
namespace business_logic::elements::blocks {
    class BaseBlock;
}
 
namespace business_logic::elements::structures {
    // forward declaration
    struct Port;
 
    struct BlocksConnectionSide {
        business_logic::elements::blocks::BaseBlock* block;
 
        const business_logic::elements::structures::Port* port;
 
        bool operator==(const BlocksConnectionSide& other) const {
            return block == other.block && port == other.port;
        }
    };
 
    using PortsConnection = std::pair<BlocksConnectionSide, BlocksConnectionSide>;
}  // namespace business_logic::elements::structures
 
namespace std {
    template <>
    struct hash<business_logic::elements::structures::BlocksConnectionSide> {
        std::size_t operator()(
            const business_logic::elements::structures::BlocksConnectionSide& p) const {
            return std::hash<business_logic::elements::blocks::BaseBlock*>()(p.block) ^
                   (std::hash<const business_logic::elements::structures::Port*>()(p.port) << 1U);
        }
    };
}  // namespace std
 
#endif  // BUSINESS_LOGIC_ELEMENTS_BLOCKS_STRUCTURES_BLOCKS_CONNECTION_SIDE_H