__TIME__ 等表示的是 PrintSourceInfo() 所在文件,即例 1 中的 MacroTest.h 的信息;如果在宏 PRINT_SOURCE_INFO() 中使用宏,因为宏 PRINT_SOURCE_INFO() 嵌套展开的缘故,__FILE__ 等表示的是 PRINT_SOURCE_INFO() 展开所在文件,即 MacroTest.cpp 的信息 (3). 无论使用
No macro is defined. name or name=value A maximum of 32 macros may be defined, and the maximum length of a macro is 80 characters. Enclose each macro in single quotation marks. The quotation marks are not part of the 80 character string and are not required when the CRTCMOD or CRTCPP...
// Macro to define cursor lines#defineCURSOR(top, bottom) (((top) << 8) | (bottom))// Macro to get a random integer with a specified range#definegetrandom(min, max) \ ((rand()%(int)(((max) + 1)-(min)))+ (min))
1.利用宏参数创建字符串:#运算符 在类函数宏(function-like macro)的替换部分中,“#”符号用作一个预处理运算符,它可以把语言符号(token)转化为字符串。例如,如果x是一个宏参量,那么#x可以把参数名转化为相应的字符串。该过程称为字符串化。 说明:类函数宏就是带参数的宏。类函数宏的定义中,用圆括号括起来...
VS出现 C1189/C4005 error:keyword re-Defined in macro(s)错误处理方法 VS出现C1189/C4005error:keyword re-Defined in macro(s)错误处理方法 前几天工作中发现了一个这个问题,查了很久资料都没有找到解决此问题的方法,最后今天过自己的努力终于找到处理该错误的方法,特此写一篇博客,第一是防止自己太久忘记,也...
The __cpp_lib_ranges macro is missing from <algorithm>. libstdc++-v3/ChangeLog: * include/std/algorithm: Define __glibcxx_want_ranges. * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Check feature test macro in C++20 mode.
分享4赞 c语言吧 xinxin_yanyan C语言宏定义时#(井号)和##(双井号)的用法C语言中如何使用宏C(和C++)中的宏(Macro)属于编译器预处理的范畴,属于编译期概念(而非运行期概念)。下面对常遇到的宏的使用问题做了简单总结。关于#和##在C语言的宏中,#的功能是将其后面的宏参数进行字符串化操作(Stringfication)...
hum, that's better but... The macro did work, but I delete the config file that was just next to the hlsl (to test the #include path), closed the hlsl file from VS 2015 and crash... No I've several hlsl path I can no longer open, I'll check all my json to check who's ...
EN我本意是想在windows下学习下C++11，而结果是我的Visual Studio 2012不完全支持，而我又懒得去安装...
Defining or undefining reserved identifier or macro User-defined literal operator not starting with underscore Check Information Group: 01. Declarations and Initialization (DCL) Version History Introduced in R2019a See Also Check SEI CERT-C++ (-cert-cpp)) Topics Check for and Review Coding Standard...