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Added RefWhenNeeded

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0xFEEDC0DE64
2021-05-25 15:15:44 +02:00
parent 0fe100a9bb
commit 46680c87a8
3 changed files with 31 additions and 0 deletions
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1
CMakeLists.txt
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@ -9,6 +9,7 @@ set(headers
src/cpptypesafeenum.h
src/cpputils.h
src/delayedconstruction.h
src/refwhenneeded.h
src/strutils.h
)

1
cpputils_src.pri
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@ -8,6 +8,7 @@ HEADERS += \
$$PWD/src/cpptypesafeenum.h \
$$PWD/src/cpputils.h \
$$PWD/src/delayedconstruction.h \
$$PWD/src/refwhenneeded.h \
$$PWD/src/strutils.h
SOURCES += \

29
src/refwhenneeded.h Normal file
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@ -0,0 +1,29 @@
#pragma once
// system includes
#include <cstdint>
namespace cpputils {
template<typename X> struct RefWhenNeeded { using T = const X &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<bool> { using T = bool; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<int8_t> { using T = int8_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<uint8_t> { using T = uint8_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<int16_t> { using T = int16_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<uint16_t> { using T = uint16_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<int32_t> { using T = int32_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<uint32_t> { using T = uint32_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<int64_t> { using T = int64_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<uint64_t> { using T = uint64_t; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<long> { using T = long; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<unsigned long> { using T = unsigned long; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<float> { using T = float; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
template<> struct RefWhenNeeded<double> { using T = double; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<typename X> struct RefWhenNeeded { using T = X; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<> struct RefWhenNeeded<JsonObjectConst> { using T = const JsonObjectConst &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<> struct RefWhenNeeded<std::optional<JsonObjectConst>> { using T = const std::optional<JsonObjectConst> &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<> struct RefWhenNeeded<JsonArrayConst> { using T = const JsonArrayConst &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<> struct RefWhenNeeded<JsonVariantConst> { using T = const JsonVariantConst &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<> struct RefWhenNeeded<std::string> { using T = const std::string &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
//template<> struct RefWhenNeeded<std::optional<uint32_t>> { using T = const std::optional<uint32_t> &; RefWhenNeeded() = delete; ~RefWhenNeeded() = delete; };
} // namespace cpputils