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instance method
OptionParser::Switch::PlacedArgument#parse
(untyped arg, untyped argv) { (*untyped) -> untyped } -> untyped
parse(arg, argv, &error)
lib/optparse.rb
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# File tmp/rubies/ruby-4.1.0-preview1/lib/optparse.rb, line 790
def parse(arg, argv, &error)
if !(val = arg) and (argv.empty? or /\A-./ =~ (val = argv[0]))
return nil, block
end
opt = (val = parse_arg(val, &error))[1]
val = conv_arg(*val)
if opt and !arg
argv.shift
else
omitted_argument val
val[0] = nil
end
val
end
Returns nil if argument is not present or begins with ‘-’ and is not ‘-’.