OUTPUT_STRIP_TRAILING_WHITESPACE ) 使用cmake_host_system_information()函数(我们在第二章,检测环境,第 5 个配方,发现主机处理器指令集中已经遇到过),我们可以查询更多系统信息: 代码语言:javascript 复制 # host name information cmake_host_system_information(RESULT _host_name QUERY HOSTNAME) cmake_host_s...
std::string say_hello() { #ifdef IS_WINDOWS return std::string("Hello from Windows!"); #elif IS_LINUX return std::string("Hello from Linux!"); #elif IS_MACOS return std::string("Hello from macOS!"); #else return std::string("Hello from an unknown system!"); #endif } int main...
我们再次调用execute_process来运行已安装的use_message可执行文件: execute_process(COMMAND ${_executable}RESULT_VARIABLE _resOUTPUT_VARIABLE _outERROR_VARIABLE _errOUTPUT_STRIP_TRAILING_WHITESPACE) 最后,我们向用户报告execute_process的结果: if(_res EQUAL 0)message(STATUS "Running ${_executable}:\n ${_...
strip（）或trim（）函数没有标准的C实现，也就是说，Linux内核中有一个这样的实现：如果你想删除，in...
从标准输入读取string并将读入的串存储在s中。string类型的输入操作符: Readsand discards any leading whitespace (e.g., spaces, newlines, tabs) 读取并忽略开头所有的空白字符(如空格,换行符,制表符)。 Itthen reads characters until the next whitespace character isencountered ...
>>> from string import Template >>> tmpl = Template("Hello, $who! $what enough for ya?") >>> tmpl.substitute(who="Mars", what="Dusty") 'Hello, Mars! Dusty enough for ya?' 带等号的参数就是所谓的关键字参数,你会在第六章中听到很多。在字符串格式化的上下文中,您可以将它们视为向指定...
"""lstrip(s) -> stringReturn a copy of the string s with leading whitespace removed.""" return s.lstrip()# Strip trailing tabs and spaces def rstrip(s): """rstrip(s) -> stringReturn a copy of the string s with trailing whitespace ...
{LIBCLANG_LLVM_CONFIG_EXECUTABLE} --version OUTPUT_VARIABLE LIBCLANG_VERSION_STRING OUTPUT_STRIP_TRAILING_WHITESPACE) else () set(LIBCLANG_VERSION_STRING "Unknown") endif () message("-- Using Clang version ${LIBCLANG_VERSION_STRING} from ${LIBCLANG_LIBDIR} with CXXFLAGS ${LIBCLANG_CXXFLAGS...
OUTPUT_STRIP_TRAILING_WHITESPACE)if(${_cython_retcode} EQUAL 0)separate_arguments(_cython_output)list(GET _cython_output -1 CYTHON_VERSION_STRING)message(STATUS "Found Cython Version ${CYTHON_VERSION_STRING}")else()message(STATUS "Failed to get Cython version")endif()else()message(STATUS "Cytho...
C语言中模仿Python的strip()函数Python字符串的strip方法删除了尾随和前导空格，当处理C“string”（字符...