update readme

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terik23 2019-04-02 01:05:51 +05:00
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@ -9,9 +9,11 @@
|_| \_|\__,_|_| |_| |_|\___|\___/|_| \_____|
```
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## What is Nameof?
@ -34,19 +36,20 @@ Header-only C++17 library provides nameof macros and functions to obtain simple
* Name of variable
```cpp
// Name of variable
// Name of variable.
NAMEOF(somevar) -> "somevar"
// Name of member variable
// Name of member variable.
NAMEOF(person.address.zip_code) -> "zip_code"
```
* Name of function
```cpp
// Name of function
// Name of function.
NAMEOF(foo<int, float>()) -> "foo"
NAMEOF_FULL(foo<int, float>()) -> "foo<int, float>"
// Name of member function
// Name of member function.
NAMEOF(somevar.some_method()) -> "some_method"
NAMEOF_FULL(somevar.some_method<int>()) -> "some_method<int>"
```
@ -54,38 +57,42 @@ NAMEOF_FULL(somevar.some_method<int>()) -> "some_method<int>"
* Name of enum
```cpp
auto color = Color::RED;
// Name of enum variable
// Name of enum variable.
NAMEOF_ENUM(color) -> "RED"
// Name of enum variable
nameof::nameof_enum(color) -> "RED"
constexpr auto cx_color = Color::BLUE;
// Name of static storage enum variable
nameof::nameof_enum<cx_color>() -> "BLUE"
constexpr auto const_color = Color::BLUE;
// Name of static storage enum variable.
NAMEOF_CONST_ENUM(const_color) -> "BLUE"
nameof::nameof_enum<const_color>() -> "BLUE"
```
* Name of type
```cpp
using T = int;
T var = 42;
// Name of variable type
NAMEOF_TYPE(var) -> "int"
// Name of variable type.
NAMEOF_VAR_TYPE(var) -> "int"
nameof::nameof_type<decltype(var)>() -> "int"
// Name of type
NAMEOF_TYPE_T(T) -> "int"
// Name of type.
NAMEOF_TYPE(T) -> "int"
nameof::nameof_type<T>() -> "int"
```
* Name of macro
```cpp
// Name of macro
// Name of macro.
NAMEOF(__LINE__) -> "__LINE__"
NAMEOF(NAMEOF(structvar)) -> "NAMEOF"
```
## Remarks
* Nameof return std::string_view.
* If arguments does not have name, Nameof return empty string.
* Nameof expression arguments are identified, but do not evaluated.
* NAMEOF_ENUM supported on the GCC >= 9.
@ -94,7 +101,7 @@ NAMEOF(__LINE__) -> "__LINE__"
```cpp
NAMEOF_RAW(somevar.somefield) -> "somevar.somefield"
NAMEOF_RAW(&SomeStruct::SomeMethod) -> "&SomeStruct::SomeMethod"
NAMEOF_RAW(std::string) -> "std::string"
NAMEOF_RAW(const SomeClass<int> volatile *) -> "const SomeClass<int> volatile *"
```
* Spaces and Tabs ignored