End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OptionParser#to_a

to_a

# File tmp/rubies/ruby-3.2.0/lib/optparse.rb, line 1376
def to_a; summarize("#{banner}".split(/^/)) end

Returns option summary list.

See also #terminate #top #summarize #to_s also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0