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Source Code

# File action_controller/caching/fragments.rb, line 63
def fragment_for(block, name = {}, options = nil) #:nodoc:
  unless perform_caching then block.call; return end

  buffer = yield

  if cache = read_fragment(name, options)
    buffer.concat(cache)
  else
    pos = buffer.length
    block.call
    write_fragment(name, buffer[pos..-1], options)
  end
end