method

update

v1_8_6_287 - Show latest stable - Class: List

update(sw, sopts, lopts, nsw = nil, nlopts = nil)

private

Adds sw according to sopts, lopts and nlopts.

`sw:`	OptionParser::Switch instance to be added.
`sopts:`	Short style option list.
`lopts:`	Long style option list.
`nlopts:`	Negated long style options list.

# File lib/optparse.rb, line 557
    def update(sw, sopts, lopts, nsw = nil, nlopts = nil)
      o = nil
      sopts.each {|o| @short[o] = sw} if sopts
      lopts.each {|o| @long[o] = sw} if lopts
      nlopts.each {|o| @long[o] = nsw} if nsw and nlopts
      used = @short.invert.update(@long.invert)
      @list.delete_if {|o| Switch === o and !used[o]}
    end

update

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