instance method

OptionParser#ver

() -> ::String?

ver

# File tmp/rubies/ruby-4.0.0/lib/optparse.rb, line 1334
def ver
  if v = version
    str = +"#{program_name} #{[v].join('.')}"
    str << " (#{v})" if v = release
    str
  end
end

Returns version string from program_name, version and release.

See also #to_s #version #top #warn also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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