Julian Seward 5653b12bb2 New methods in WordXA: ...

* lookupXA_UNSAFE -- binary search in array without being forced
  to sortXA it first -- dangerous because if the array isn't in order
  then the lookup can loop forever

* dropHeadXA -- drop the first N elements (kinda like dropTailXA, but
  unfortunately O(N) not O(1)), so that xarrays can be used to
  implement FIFOs, after a fashion.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10583

2009-07-24 08:11:39 +00:00

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