OptionContext.setSummary

void setSummary(string summary = null)

Adds a string to be displayed in --help output before the list of options. This is typically a summary of the program functionality.

Note that the summary is translated (see [glib.option_context.OptionContext.setTranslateFunc] and [glib.option_context.OptionContext.setTranslationDomain]).

Parameters

summary a string to be shown in --help output before the list of options, or null