cord
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资源说明:WIP implementation of a Concat Tree / Rope / Cord for Ruby MRI.
Simple Concat Tree / Rope / Cord implementation for Ruby MRI
  (c) 2010 Lourens Naudé (methodmissing)

  http://github.com/methodmissing/cord

See http://www.cs.ubc.ca/local/reading/proceedings/spe91-95/spe/vol25/issue12/spe986.pdf and  http://en.wikipedia.org/wiki/Rope_(computer_science) for context.

This library works with Ruby 1.8 and 1.9 and exposes the following API :

  c = Cord.new('test')
  c.depth #=> 1
  c << 'cord'
  c.depth #=> 2

  c = Cord.new('aaaa')
  c << 'bbbb'
  c.to_s #=> 'aaaabbbb'

To run the test suite:

  rake

Todo:

  Tree rebalance / normalization
  Exploit shared string / COW semantics further
  Cord#each

Work in progress, thanks for watching!

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