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command line: allow has_arg to handle arg_descriptor<bool,false,true> #3318

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stoffu 2018-02-26 17:08:02 +09:00
parent 9f9e095a8c
commit 450306a01c
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GPG key ID: 41DAB8343A9EC012
1 changed files with 4 additions and 4 deletions
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8
src/common/command_line.h
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@ -214,8 +214,8 @@ namespace command_line
}
}
template<typename T, bool required>
bool has_arg(const boost::program_options::variables_map& vm, const arg_descriptor<T, required>& arg)
template<typename T, bool required, bool dependent>
typename std::enable_if<!std::is_same<T, bool>::value, bool>::type has_arg(const boost::program_options::variables_map& vm, const arg_descriptor<T, required, dependent>& arg)
{
auto value = vm[arg.name];
return !value.empty();
@ -239,8 +239,8 @@ namespace command_line
return vm[arg.name].template as<T>();
}
template<>
inline bool has_arg<bool, false>(const boost::program_options::variables_map& vm, const arg_descriptor<bool, false>& arg)
template<bool dependent>
inline bool has_arg(const boost::program_options::variables_map& vm, const arg_descriptor<bool, false, dependent>& arg)
{
return get_arg<bool, false>(vm, arg);
}