- u -

• unknown_argument() : ookii::basic_localized_string_provider< CharType, Traits, Alloc >
• unknown_error() : ookii::basic_localized_string_provider< CharType, Traits, Alloc >
• use_color() : ookii::basic_usage_writer< CharType, Traits, Alloc >
• use_custom_argument_parsing() : ookii::command_info< CharType, Traits, Alloc >