End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OptionParser#new

new() { |self| ... }

# File tmp/rubies/ruby-3.0.5/lib/optparse.rb, line 1252
def new
  @stack.push(List.new)
  if block_given?
    yield self
  else
    self
  end
end

Pushes a new List.

See also .new #make_switch #notwice #load also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1