导出BOOST_DIR环境变量,指向 Boost 安装目录。 例如,在 Linux 上,如果是/opt/boost,你可以运行以下命令: $ export BOOST_DIR=/opt/boost 如果你已经从发行版的软件包库中安装了 Boost,那么你可以跳过这一步。 在Windows 上,如果你已经安装在f:\boost下,你可以运行这个命令: set BOOST_DIR=f:\boost 如果...
These functions might also return empty strings url_view u1 = parse_uri("http://www.example.com").value();assert(u1.fragment().empty());assert(!u1.has_fragment()); for both empty and absent components url_view u2 = parse_uri("http://www.example.com/#").value();assert(u2.fragment...
http::message is not-a boost::empty_value Fix link in docs Fixes to timeout services (experimental) Version 191: Add bind_front_handler Use bind_front_handler Simplify some type traits Use lean_tuple in buffers_cat Use lean_tuple in bind_handler, bind_front_handler Use mp11 in detail::...
BOOST_ERROR("(flags +, 0, or #) formatting result incorrect");// flags in the format string are not sticky// and hex in argument overrrides type-char d (->decimal) :s = str( format("%2$#4d %|1$4| %|2$#4| %|3$|") %101% group(setfill('_'), hex,2) %103);if(s...
do_empty all ; """% (whitespace_in)) t.run_build_system(["-ffile.jam"], universal_newlines=False) t.expect_output_lines("do_empty all") t.expect_output_lines("Executing raw command directly",False)if"\r\n%s\r\n"% whitespace_outnotint.stdout():BoostBuild.annotation("failure","Wh...
# Find if a given shell program is available. # # $1: variable name # $2: program name # # Result: set $1 to the full path of the corresponding command # or to the empty/undefined string if not available # find_program () { eval $1=`command -v $2` } prepar...
} elseif (empty($boost_last_run_time)) { $last_run_time = time() - 3600; } else { $last_run_time = $boost_last_run_time; } $boost_next_run_time = read_config_option('boost_next_run_time'); if (!empty($boost_next_run_time) && !is_numeric($boost_next_run_time...
EXAMPLESPATH=%{boost_examplesdir} find libs -type d -name example -exec find {} -type f \; | sed -n '/\//{s,/[^/]*$,,;p}' | sort -u > tmp-doc-directories sed "s:^:$EXAMPLESPATH/:" tmp-doc-directories | xargs -P 0 --no-run-if-empty %{__install} -d rm -...
bool empty( ):如果 path 对象包含空字符串(例如path path1("")),则此例程将返回 True。 boost::filesystem::path::iterator:此例程用于遍历 path 的各个元素。请看清单 5所示的代码。 清单5. 使用 path::iterator(begin 和 end 接口) #include <iostream> ...
Added BOOST_INTERPROCESS_SHARED_DIR_PATH option to define the shared directory used to place shared memory objects when implemented as memory mapped files. Added support for BOOST_USE_WINDOWS_H. When this macro is defined Interprocess does not declare used Windows API function and types, includes...