Class: OptionParser::Switch::OptionalArgument

Overview

Instance Attribute Summary

Attributes inherited from OptionParser::Switch

#arg , #block , #conv , #desc , #long , #pattern , #short

Instance Method Summary collapse

• #parse(arg, argv, &error) ⇒ Object

  Parses argument if given, or uses default value.

Methods inherited from OptionParser::Switch

#add_banner , #compsys , guess , incompatible_argument_styles , #initialize , #match_nonswitch? , pattern , #summarize , #switch_name

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# File 'opal/stdlib/optparse.rb', line 722
def parse(arg, argv, &error)
 if arg
 conv_arg(*parse_arg(arg, &error))
 else
 conv_arg(arg)
 end
end