280 lines
8.8 KiB
C++
Executable File
280 lines
8.8 KiB
C++
Executable File
// Copyright (c) 2006, 2007 Julio M. Merino Vidal
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// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
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// Copyright (c) 2009 Boris Schaeling
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// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
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// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
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// Copyright (c) 2016 Klemens D. Morgenstern
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PROCESS_ARGS_HPP
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#define BOOST_PROCESS_ARGS_HPP
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/** \file boost/process/args.hpp
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*
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* This header provides the \xmlonly <globalname alt="boost::process::args">args</globalname>\endxmlonly property. It also provides the
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* alternative name \xmlonly <globalname alt="boost::process::argv">argv</globalname>\endxmlonly .
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*
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*
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\xmlonly
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<programlisting>
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namespace boost {
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namespace process {
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<emphasis>unspecified</emphasis> <globalname alt="boost::process::args">args</globalname>;
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<emphasis>unspecified</emphasis> <globalname alt="boost::process::argv">argv</globalname>;
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}
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}
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</programlisting>
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\endxmlonly
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*/
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#include <boost/process/detail/basic_cmd.hpp>
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#include <iterator>
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namespace boost { namespace process { namespace detail {
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struct args_
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{
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template<typename T>
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using remove_reference_t = typename std::remove_reference<T>::type;
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template<typename T>
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using value_type = typename remove_reference_t<T>::value_type;
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template<typename T>
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using vvalue_type = value_type<value_type<T>>;
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template <class Range>
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arg_setter_<vvalue_type<Range>, true> operator()(Range &&range) const
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{
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return arg_setter_<vvalue_type<Range>, true>(std::forward<Range>(range));
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}
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template <class Range>
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arg_setter_<vvalue_type<Range>, true> operator+=(Range &&range) const
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{
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return arg_setter_<vvalue_type<Range>, true>(std::forward<Range>(range));
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}
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template <class Range>
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arg_setter_<vvalue_type<Range>, false> operator= (Range &&range) const
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{
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return arg_setter_<vvalue_type<Range>, false>(std::forward<Range>(range));
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}
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template<typename Char>
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arg_setter_<Char, true> operator()(std::basic_string<Char> && str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator+=(std::basic_string<Char> && str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, false> operator= (std::basic_string<Char> && str) const
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{
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return arg_setter_<Char, false>(str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator()(const std::basic_string<Char> & str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator+=(const std::basic_string<Char> & str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, false> operator= (const std::basic_string<Char> & str) const
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{
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return arg_setter_<Char, false>(str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator()(std::basic_string<Char> & str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator+=(std::basic_string<Char> & str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, false> operator= (std::basic_string<Char> & str) const
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{
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return arg_setter_<Char, false>(str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator()(const Char* str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, true> operator+=(const Char* str) const
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{
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return arg_setter_<Char, true> (str);
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}
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template<typename Char>
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arg_setter_<Char, false> operator= (const Char* str) const
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{
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return arg_setter_<Char, false>(str);
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}
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// template<typename Char, std::size_t Size>
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// arg_setter_<Char, true> operator()(const Char (&str) [Size]) const
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// {
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// return arg_setter_<Char, true> (str);
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// }
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// template<typename Char, std::size_t Size>
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// arg_setter_<Char, true> operator+=(const Char (&str) [Size]) const
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// {
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// return arg_setter_<Char, true> (str);
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// }
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// template<typename Char, std::size_t Size>
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// arg_setter_<Char, false> operator= (const Char (&str) [Size]) const
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// {
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// return arg_setter_<Char, false>(str);
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// }
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arg_setter_<char, true> operator()(std::initializer_list<const char*> &&range) const
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{
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return arg_setter_<char, true>(range.begin(), range.end());
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}
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arg_setter_<char, true> operator+=(std::initializer_list<const char*> &&range) const
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{
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return arg_setter_<char, true>(range.begin(), range.end());
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}
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arg_setter_<char, false> operator= (std::initializer_list<const char*> &&range) const
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{
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return arg_setter_<char, false>(range.begin(), range.end());
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}
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arg_setter_<char, true> operator()(std::initializer_list<std::string> &&range) const
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{
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return arg_setter_<char, true>(range.begin(), range.end());
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}
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arg_setter_<char, true> operator+=(std::initializer_list<std::string> &&range) const
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{
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return arg_setter_<char, true>(range.begin(), range.end());
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}
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arg_setter_<char, false> operator= (std::initializer_list<std::string> &&range) const
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{
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return arg_setter_<char, false>(range.begin(), range.end());
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}
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arg_setter_<wchar_t, true> operator()(std::initializer_list<const wchar_t*> &&range) const
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{
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return arg_setter_<wchar_t, true>(range.begin(), range.end());
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}
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arg_setter_<wchar_t, true> operator+=(std::initializer_list<const wchar_t*> &&range) const
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{
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return arg_setter_<wchar_t, true>(range.begin(), range.end());
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}
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arg_setter_<wchar_t, false> operator= (std::initializer_list<const wchar_t*> &&range) const
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{
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return arg_setter_<wchar_t, false>(range.begin(), range.end());
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}
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arg_setter_<wchar_t, true> operator()(std::initializer_list<std::wstring> &&range) const
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{
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return arg_setter_<wchar_t, true>(range.begin(), range.end());
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}
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arg_setter_<wchar_t, true> operator+=(std::initializer_list<std::wstring> &&range) const
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{
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return arg_setter_<wchar_t, true>(range.begin(), range.end());
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}
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arg_setter_<wchar_t, false> operator= (std::initializer_list<std::wstring> &&range) const
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{
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return arg_setter_<wchar_t, false>(range.begin(), range.end());
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}
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};
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}
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/**
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The `args` property allows to explicitly set arguments for the execution. The
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name of the executable will always be the first element in the arg-vector.
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\section args_details Details
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\subsection args_operations Operations
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\subsubsection args_set_var Setting values
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To set a the argument vector the following syntax can be used.
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\code{.cpp}
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args = value;
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args(value);
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\endcode
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`std::initializer_list` is among the allowed types, so the following syntax is also possible.
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\code{.cpp}
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args = {value1, value2};
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args({value1, value2});
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\endcode
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Below the possible types for `value` are listed, with `char_type` being either `char` or `wchar_t`.
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\paragraph args_set_var_value value
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- `std::basic_string<char_type>`
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- `const char_type * `
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- `std::initializer_list<const char_type *>`
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- `std::vector<std::basic_string<char_type>>`
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Additionally any range of `std::basic_string<char_type>` can be passed.
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\subsubsection args_append_var Appending values
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To append a the argument vector the following syntax can be used.
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\code{.cpp}
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args += value;
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\endcode
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`std::initializer_list` is among the allowed types, so the following syntax is also possible.
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\code{.cpp}
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args += {value1, value2};
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\endcode
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Below the possible types for `value` are listed, with `char_type` being either `char` or `wchar_t`.
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\paragraph args_append_var_value value
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- `std::basic_string<char_type>`
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- `const char_type * `
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- `std::initializer_list<const char_type *>`
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- `std::vector<std::basic_string<char_type>>`
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Additionally any range of `std::basic_string<char_type>` can be passed.
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\subsection args_example Example
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The overload form is used when more than one string is passed, from the second one forward.
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I.e. the following expressions have the same results:
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\code{.cpp}
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spawn("gcc", "--version");
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spawn("gcc", args ="--version");
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spawn("gcc", args+="--version");
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spawn("gcc", args ={"--version"});
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spawn("gcc", args+={"--version"});
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\endcode
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\note A string will be parsed and set in quotes if it has none and contains spaces.
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*/
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constexpr boost::process::detail::args_ args{};
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///Alias for \xmlonly <globalname alt="boost::process::args">args</globalname> \endxmlonly .
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constexpr boost::process::detail::args_ argv{};
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}}
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#endif
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