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Source Code

# File action_view/helpers/capture_helper.rb, line 140
def capture_erb_with_buffer(buffer, *args, &block)
  pos = buffer.length
  block.call(*args)

  # extract the block 
  data = buffer[pos..-1]

  # replace it in the original with empty string
  buffer[pos..-1] = ''

  data
end