Inserts switch at the head of the list, and associates short, long and negated long options. Arguments are:
switch
OptionParser::Switch instance to be inserted.
short_opts
List of short style options.
long_opts
List of long style options.
nolong_opts
List of long style options with “no-” prefix.
prepend(switch, short_opts, long_opts, nolong_opts)
Appends sep to the text to be output. By default sep is ‘ ’
width argument is here for compatibility. It is a noop argument.
def lparen: () -> String?
def rparen: () -> String?
def lparen: () -> String?
def rparen: () -> String?
def lparen: () -> String?
def rparen: () -> String?
def lparen: () -> String?
def rparen: () -> String?
Mirrors the Method#parameters method.
def lparen: () -> String
def rparen: () -> String
def lparen: () -> String?
def rparen: () -> String?
def lparen: () -> String?
def rparen: () -> String?
Returns true if there were errors during parsing and false if there were not.
Lazily initialize the parse result.