C ++标记为已弃用 [英] C++ mark as deprecated

问题描述

我在接口中有一个方法，我想使用便携式C ++弃用。
当我Googled这一切，我得到的是一个Microsoft特定的解决方案; #pragma已弃用和__declspec(deprecated）。

I have a method in an interface that I want to deprecate with portable C++. When I Googled for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated).

二等奖解决方案到ifdef的MSVC和GCC解决方案。

感谢

A second prize solution would be to ifdef a MSVC and a GCC solution.
Thanks

推荐答案

p>

This should do the trick:

#ifdef __GNUC__
#define DEPRECATED(func) func __attribute__ ((deprecated))
#elif defined(_MSC_VER)
#define DEPRECATED(func) __declspec(deprecated) func
#else
#pragma message("WARNING: You need to implement DEPRECATED for this compiler")
#define DEPRECATED(func) func
#endif

...

//don't use me any more
DEPRECATED(void OldFunc(int a, float b));

//use me instead
void NewFunc(int a, double b);

std :: pair< int，int> ，因为这将被预处理器解释为传递2个参数到DEPRECATED宏。

However, you will encounter problems if a function return type has a commas in its name e.g. std::pair<int, int> as this will be interpreted by the preprocesor as passing 2 arguments to the DEPRECATED macro. In that case you would have to typedef the return type.

编辑：更简单（但可能兼容性较差）的版本此处。

simpler (but possibly less widely compatible) version here.

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