Set the column width

Specify the configuration for comment characters

Get the status of allow extras

Set the config formatter

Allow in a configuration file

can't use conversion operator because of ambiguity

! @brief check whether a string is UTF-8 encoded The function checks each byte of a string whether it is UTF-8 encoded. The result of the

Set a capture function for the default. Mostly used by App.

Set the default value string representation (does not change the contained value)

set a delimiter character to split up single arguments to treat as multiple inputs

Helper function to mark an option as deprecated

Disable flag overrides values, e.g. --flag=<value> is not allowed

Sets environment variable to read if no option given

! @param[in] format the current format @param[in] detail a detailed error message @param[in] context further context information

Provide a function to print a help message. The function gets access to the App pointer and error.

Stop subcommand fallthrough, so that parent commands cannot collect commands after subcommand. Default from parent, usually set on parent.

UTF-32

UTF-16

Set a callback for execution when all parsing and processing has completed aliased as callback

Set footer.

Set the value of force_callback

Set the help formatter

Set the help formatter

標準ストリームからデータを読み込む( 64bit版 )

標準ストリームからデータを読み込む( 64bit版 )

@brief access the first element @sa https://json.nlohmann.me/api/basic_json/front/

標準ストリームにデータを書き込む( 64bit版 )

標準ストリームにデータを書き込む( 64bit版 )