236 lines
7.4 KiB
Markdown
236 lines
7.4 KiB
Markdown
# Reference
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* [`NAMEOF` macro that obtains simple (unqualified) string name of variable, function, macro.](#NAMEOF)
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* [`NAMEOF_FULL` macro that obtains simple (unqualified) full (with template suffix) string name of variable, function, macro.](#NAMEOF_FULL)
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* [`NAMEOF_RAW` macro that obtains raw string name of variable, function, macro.](#NAMEOF_RAW)
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* [`nameof_enum(E value)` function that obtains simple (unqualified) string enum name of enum variable.](#nameof_enum(value))
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* [`nameof_enum<auto V>()` function that obtains simple (unqualified) string enum name of static storage enum variable.](#nameof_enum<Value>())
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* [`NAMEOF_ENUM` macro that obtains simple (unqualified) string enum name of enum variable.](#NAMEOF_ENUM)
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* [`NAMEOF_CONST_ENUM` macro that obtains simple (unqualified) string enum name of static storage enum variable.](#NAMEOF_CONST_ENUM)
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* [`nameof_type<T>()` function that obtains string name of type, reference and cv-qualifiers are ignored.](#nameof_type<T>())
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* [`nameof_full_type<T>()` function that obtains string name of full type, with reference and cv-qualifiers.](#nameof_full_type<T>())
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* [`NAMEOF_TYPE` macro that obtains string name of type, reference and cv-qualifiers are ignored.](#NAMEOF_TYPE)
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* [`NAMEOF_FULL_TYPE` macro that obtains string name of full type, with reference and cv-qualifiers.](#NAMEOF_FULL_TYPE)
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* [`NAMEOF_TYPE_EXPR` macro that obtains string name type of expression, reference and cv-qualifiers are ignored.](#NAMEOF_TYPE_EXPR)
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* [`NAMEOF_FULL_TYPE_EXPR` macro that obtains string name full type of expression, with reference and cv-qualifiers.](#NAMEOF_FULL_TYPE_EXPR)
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## `NAMEOF`
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* Macro that obtains simple (unqualified) string name of variable, function, macro.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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// Name of variable.
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NAMEOF(somevar) -> "somevar"
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// Name of member variable.
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NAMEOF(person.address.zip_code) -> "zip_code"
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// Name of function.
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NAMEOF(foo<int, float>()) -> "foo"
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// Name of member function.
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NAMEOF(somevar.some_method()) -> "some_method"
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NAMEOF(somevar.some_method<int>()) -> "some_method"
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// Name of macro.
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NAMEOF(__LINE__) -> "__LINE__"
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NAMEOF(NAMEOF(structvar)) -> "NAMEOF"
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```
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## `NAMEOF_FULL`
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* Macro that obtains simple (unqualified) full (with template suffix) string name of variable, function, macro.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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// Full name of template function.
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NAMEOF_FULL(foo<int, float>()) -> "foo<int, float>"
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// Full name of template member function.
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NAMEOF_FULL(somevar.some_method<int>()) -> "some_method<int>"
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```
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## `NAMEOF_RAW`
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* Macro that obtains raw string name of variable, function, macro.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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NAMEOF_RAW(::somevar.somefield) -> "::somevar.somefield"
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NAMEOF_RAW(&some_class::some_method<int>) -> "&some_class::some_method<int>"
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```
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## `nameof_enum(value)`
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* Function that obtains simple (unqualified) string enum name of enum variable.
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* Returns `std::string_view`.
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* If argument does not have name, returns empty `std::string_view`.
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* Examples
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```cpp
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auto color = Color::RED;
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nameof::nameof_enum(color) -> "RED"
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```
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## `nameof_enum<Value>()`
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* Function that obtains simple (unqualified) string enum name of static storage enum variable.
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* Returns `std::string_view`.
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* This version is much lighter on the compile times and is not restricted to the enum_range [limitation](limitations.md).
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* If argument does not have name, returns empty `std::string_view`.
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* Examples
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```cpp
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nameof::nameof_enum<Color::GREEN>() -> "GREEN"
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```
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## `NAMEOF_ENUM`
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* Macro that obtains simple (unqualified) string enum name of enum variable.
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* Returns `std::string_view`.
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* If argument does not have name, returns empty `std::string_view`.
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* Examples
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```cpp
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auto color = Color::RED;
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NAMEOF_ENUM(color) -> "RED"
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```
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## `NAMEOF_CONST_ENUM`
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* Macro macro that obtains simple (unqualified) string enum name of static storage enum variable.
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* Returns `std::string_view`.
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* This version is much lighter on the compile times and is not restricted to the enum_range [limitation](limitations.md).
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* If argument does not have name, returns empty `std::string_view`.
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* Examples
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```cpp
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NAMEOF_CONST_ENUM(Color::GREEN) -> "GREEN"
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```
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## `nameof_type<T>()`
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* Function macro that obtains string name of type, reference and cv-qualifiers are ignored.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* In all cases, reference and cv-qualifiers are ignored by `nameof_type` (that is, `nameof_type<const T&>() == nameof_type<T>()`).
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* Returns compiler-specific type name.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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using T = const int&;
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nameof::nameof_type<T>() -> "int"
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```
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## `nameof_full_type<T>()`
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* Function that obtains string name of full type, with reference and cv-qualifiers.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* Returns compiler-specific type name.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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using T = const int&;
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nameof::nameof_full_type<T>() -> "const int&"
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```
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## `NAMEOF_TYPE`
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* Macro macro that obtains string name of type, reference and cv-qualifiers are ignored.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* In all cases, reference and cv-qualifiers are ignored by `NAMEOF_TYPE` (that is, `NAMEOF_TYPE(const T&) == NAMEOF_TYPE(T)`).
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* Returns compiler-specific type name.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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using T = const int&;
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NAMEOF_TYPE(T) -> "int"
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```
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## `NAMEOF_FULL_TYPE`
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* Macro that obtains string name of full type, with reference and cv-qualifiers.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* Returns compiler-specific type name.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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using T = const int&;
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NAMEOF_TYPE(T) -> "const int&"
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```
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## `NAMEOF_TYPE_EXPR`
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* Macro that obtains string name type of expression, reference and cv-qualifiers are ignored.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* Returns returns compiler-specific type name.
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* In all cases, reference and cv-qualifiers are ignored.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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using T = const int&;
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T var = 42;
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NAMEOF_TYPE_EXPR(var) -> "int"
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```
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## `NAMEOF_TYPE_EXPR`
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* Macro that obtains string name full type of expression, with reference and cv-qualifiers.
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* Returns `nameof::cstring` - constexpr implementation of an string.
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* Returns compiler-specific type name.
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* If argument does not have name, occurs the compilation error `"Expression does not have a name."`.
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* Examples
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```cpp
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using T = const int&;
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T var = 42;
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NAMEOF_FULL_TYPE_EXPR(var) -> "const int&"
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```
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