addOption - addOption - 2026.1 English

void addOption (
    const std::string opt,
    const std::string opt_full,
    const std::string info,
    const std::string def,
    bool required = false
    )

add an option with value.

Parameters:

opt	the short opt name, must start with “-“.
opt_full	the full opt name, must start with “–”, pass “” if not used.
info	the info to be shown in usage.
def	the default value string.
required	if an option is required, program with exit upon failure of obtaining value, otherwise default value will be provide.