宏也可以支持可变长参数,这个特性可以用来对类似printf这样的函数进行封装,使用时,使用__VA_ARGS__这个系统预定义宏来代替printf的参数,例如 #define trace(fmt, ...) printf(fmt, ##__VA_ARGS__) // 这样我们就可以使用我们自己定义的宏 trace 来打印日志了 trace("got a number %d", 34); 至于为什么...
下面为fmt库的编译命令(由于该库较大,编译时间可能较久,我的电脑用了将近十分钟): mkdir build-fmt cd build-fmt cmake ../dependencies/fmt/ -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON 复制代码 同样会在 目录生成对应的动态库,建议同样放入该项目lib目录中,注意 fmt 库的动态库是由多个文件构成...
{fmt} ⚡ - Small, safe and fast formatting library for C++. [Simplified BSD] FastFormat - Fast, Safe C++ Formatting inspired by log4j and Pantheios [Simplified BSD] casacore - A set of c++ core libraries derived from aips++. [LGPL] QtVerbalExpressions - This Qt lib is based off of th...
\n", "мир"); fmt::print(fg(fmt::color::steel_blue) | fmt::emphasis::italic, "Hello, {}!\n", "世界"); } Output on a modern terminal: Benchmarks Speed tests LibraryMethodRun Time, s libc printf 1.04 libc++ std::ostream 3.05 {fmt} 6.1.1 fmt::print 0.75 Boost Format ...
struct MsgHead{enumMsgType type;int msgLen;char*msgBuf;};union Packet{struct SendPacket send;struct RecvPacket recv;};enumBaseColor{RED,// 注意,枚举类型是大驼峰,枚举值应使用宏风格GREEN,BLUE};typedefint(*NodeCmpFunc)(struct Node*a,struct Node*b); ...
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cndid fmt cndid prpsilosis cnec lee i yao memori cnemophilus loriae cnex saloon cafe cnf custom number for cnfmcg cnglife g-508 cnglife g-802 cnhpia cni communications na cnicus benedictus cniec xinjiang corpho cnipr cnjoyappreclaterelish cnm processor cnmp communicationsne cnnc huakang ra...
fmt.Println("Square::Draw()") }func(c *Square) GetName()string{return"Square"} 抽象装饰器 //ShapeDecorator.go 抽象装饰类,是否实现Shape可选typeShapeDecoratorinterface{ Draw() } 具体装饰器 //RedShapeDecorator.go 具体装饰器1typeRedShapeDecoratorstruct{ ...
funcInit(theme *ColorTheme, blackbool, mousebool){ C.setlocale(C.LC_ALL, C.CString("")) tty := C.c_tty()iftty ==nil{ fmt.Println("Failed to open /dev/tty") os.Exit(2) } _screen = C.c_newterm(tty)if_screen ==nil{ ...
var e, f, g C.enum_color = C.RED, C.BLUE, C.YELLOW fmt.Println(e, f, g) 输出:0 1 2 对于具名的 C枚举类型, 我们可以通过 C.enum_xx 来访问该类型。如果是匿名枚举, 则似乎只能访问其字段了。 1.2.1.5.2.结构体(struct) // struct employee { ...