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instance method

OptionParser#new

() -> self

[T] () { (self) -> T } -> T

new() { |self| ... }

# File tmp/rubies/ruby-4.1.0-preview1/lib/optparse.rb, line 1384
def new
  @stack.push(List.new)
  if block_given?
    yield self
  else
    self
  end
end

Pushes a new List.

If a block is given, yields self and returns the result of the block, otherwise returns self.

See also .new #make_switch #on #load also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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