v0.2.2
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Neargye
terik23
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README.md
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README.md
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# nameof() c++11
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# nameof c++
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C++ alternative to [nameof](https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/nameof) operator in [C#](https://en.wikipedia.org/wiki/C_Sharp_(programming_language)).
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```text
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_ _ __ _____
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| \ | | / _| / ____|_ _
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| \| | __ _ _ __ ___ ___ ___ | |_ | | _| |_ _| |_
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| . ` |/ _` | '_ ` _ \ / _ \/ _ \| _| | | |_ _|_ _|
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| |\ | (_| | | | | | | __/ (_) | | | |____|_| |_|
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|_| \_|\__,_|_| |_| |_|\___|\___/|_| \_____|
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```
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Branch | Linux/OSX | Windows
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-------|-----------|---------
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master |[](https://travis-ci.org/Neargye/nameof)|[](https://ci.appveyor.com/project/Neargye/nameof/branch/master)
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C++ alternative to [nameof](https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/nameof) operator in [C#](https://en.wikipedia.org/wiki/C_Sharp_(programming_language)).
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Used to obtain the simple name of a variable, type, member or function and etc.
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Before, you had to use string literals to refer to definitions, which is brittle when renaming code elements because tools do not know to check these string literals.
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@ -24,16 +33,14 @@ std::cout << NAMEOF(person.address.zip_code) << std::endl; // prints "zip_code"
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* Compile-time
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* Compilation check
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## [Example & Key Use Cases](https://github.com/Neargye/nameof/blob/master/example/example.cpp)
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## [Example](example/example.cpp) & Key Use Cases
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* Name of a variable, member or function and etc
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```cpp
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NAMEOF(someVar) -> "someVar"
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NAMEOF(someVar.SomeField) -> "SomeField"
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NAMEOF(someVar.SomeMethod1()) -> "SomeMethod1()"
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NAMEOF(&SomeStruct::SomeMethod2) -> "SomeMethod2"
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NAMEOF(somevar) -> "somevar"
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NAMEOF(somevar.somefield) -> "somefield"
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NAMEOF(SomeMethod) -> "SomeMethod"
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```
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* Name of enum
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@ -46,28 +53,20 @@ NAMEOF(SomeEnum::GREEN) -> "GREEN"
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* Name of type
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```cpp
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NAMEOF(int[]) -> "int[]"
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NAMEOF(volatile const int) -> "volatile const int int"
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NAMEOF(std::string) -> "string"
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```
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* Constexpr
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```cpp
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void f() {
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int i;
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constexpr auto constexpr_work_fine = NAMEOF(i); -> "i"
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}
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constexpr auto constexpr_work_fine = NAMEOF(somevar); -> "somevar"
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```
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* Compilation check
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```cpp
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void f() {
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int i;
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NAMEOF(i); -> "i"
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NAMEOF(iii); -> error identifier "iii" is undefined
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NAMEOF(std::stringgg) -> error namespace "std" has no member "stringgg"
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}
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```
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* Validate parameters
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@ -105,21 +104,24 @@ void f() {
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## Remarks
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* The argument expression identifies a code definition, but it is never evaluated.
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* If you need to get the fully-qualified name, you could use the NAMEOF_FULL().
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```cpp
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NAMEOF_FULL(someVar.SomeField) -> "someVar.SomeField"
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NAMEOF_FULL(&SomeStruct::SomeMethod2) -> "&SomeStruct::SomeMethod2"
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NAMEOF_FULL(somevar.somefield) -> "somevar.somefield"
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NAMEOF_FULL(&SomeStruct::SomeMethod) -> "&SomeStruct::SomeMethod"
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NAMEOF_FULL(std::string) -> "std::string"
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```
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* By default nameof work with RTTI, but can work without RTTI. If compiling without RTTI, you need use the NAMEOF_TYPE() for get name of type.
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## Integration
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```cpp
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NAMEOF_TYPE(int[]) -> "int[]"
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NAMEOF_TYPE(std::string) -> "string"
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You need to add the single required file [nameof.hpp](include/nameof.hpp), and the necessary switches to enable C++11.
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NAMEOF_TYPE_FULL(std::string) -> "std::string"
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```
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## Compiler compatibility
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## License MIT
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* GCC
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* Clang
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* MSVC
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## Licensed under the [MIT License](LICENSE)
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@ -1,4 +1,4 @@
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// nameof() c++11 example
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// nameof c++ example
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//
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// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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// Copyright (c) 2018 Daniil Goncharov <neargye@gmail.com>.
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@ -22,6 +22,7 @@
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// SOFTWARE.
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#include <nameof.hpp>
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#include <iostream>
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#include <stdexcept>
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@ -65,11 +66,12 @@ void TestCase1() {
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std::cout << NAMEOF(Color::RED) << std::endl; // RED
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std::cout << NAMEOF(somevar) << std::endl; // somevar
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std::cout << NAMEOF(somevar.somefield) << std::endl; // somefield
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std::cout << NAMEOF((&somevar)->somefield) << std::endl; // somefield
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std::cout << NAMEOF(::somevar) << std::endl; // somevar
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std::cout << NAMEOF(&somevar) << std::endl; // somevar
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std::cout << NAMEOF(somevar.somefield) << std::endl; // somefield
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std::cout << NAMEOF((&somevar)->somefield) << std::endl; // somefield
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std::cout << NAMEOF(othervar.ll.field) << std::endl; // field
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std::cout << NAMEOF(ptrvar) << std::endl; // ptrvar
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@ -90,7 +92,7 @@ void TestCase1() {
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std::cout << NAMEOF(int[]) << std::endl; // int[]
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std::cout << NAMEOF(SomeStruct) << std::endl; // SomeStruct
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std::cout << NAMEOF(Long::LL) << std::endl; // LL
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std::cout << NAMEOF(volatile const int) << std::endl; // const volatile int
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std::cout << NAMEOF(volatile const int) << std::endl; // volatile const int
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std::cout << NAMEOF_FULL(somevar.somefield) << std::endl; // somevar.somefield
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std::cout << NAMEOF_FULL(&SomeStruct::SomeMethod2) << std::endl; // &SomeStruct::SomeMethod2
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@ -1,5 +1,11 @@
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// nameof() c++11 https://github.com/Neargye/nameof
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// Vesion 0.2.1
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// _ _ __ _____
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// | \ | | / _| / ____|_ _
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// | \| | __ _ _ __ ___ ___ ___ | |_ | | _| |_ _| |_
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// | . ` |/ _` | '_ ` _ \ / _ \/ _ \| _| | | |_ _|_ _|
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// | |\ | (_| | | | | | | __/ (_) | | | |____|_| |_|
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// |_| \_|\__,_|_| |_| |_|\___|\___/|_| \_____|
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// https://github.com/Neargye/nameof
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// vesion 0.2.2
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//
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// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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// Copyright (c) 2016, 2018 Daniil Goncharov <neargye@gmail.com>.
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@ -1,4 +1,4 @@
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// nameof() c++11 test
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// nameof c++ test
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//
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// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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// Copyright (c) 2018 Daniil Goncharov <neargye@gmail.com>.
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SECTION("NAMEOF_VARIABLE") {
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REQUIRE(std::strcmp(NAMEOF(somevar), "somevar") == 0);
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REQUIRE(std::strcmp(NAMEOF(&somevar), "somevar") == 0);
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REQUIRE(std::strcmp(NAMEOF(::somevar), "somevar") == 0);
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REQUIRE(std::strcmp(NAMEOF(somevar.somefield), "somefield") == 0);
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REQUIRE(std::strcmp(NAMEOF((&somevar)->somefield), "somefield") == 0);
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REQUIRE(std::strcmp(NAMEOF(::somevar), "somevar") == 0);
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REQUIRE(std::strcmp(NAMEOF(othervar.ll.field), "field") == 0);
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