peak_icv_defines.hpp

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#pragma once
 
#ifndef PEAK_ICV_NO_DISCARD
#    ifndef PEAK_ICV_MAYBE_UNUSED
// clang-format off
#        if __cplusplus >= 201703L || _MSVC_LANG >= 201703L
// clang-format on
#            define PEAK_ICV_NO_DISCARD [[nodiscard]]
#            define PEAK_ICV_MAYBE_UNUSED [[maybe_unused]]
#        else
#            ifdef _MSC_VER
#                define PEAK_ICV_NO_DISCARD _Check_return_
#                define PEAK_ICV_MAYBE_UNUSED
#            elif defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
#                define PEAK_ICV_NO_DISCARD   __attribute__((warn_unused_result))
#                define PEAK_ICV_MAYBE_UNUSED __attribute__((unused))
#            else
#                define PEAK_ICV_NO_DISCARD
#                define PEAK_ICV_MAYBE_UNUSED
#            endif
#        endif
#    endif
#endif