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Given a list of integers, made up of (hopefully) a small number of long
runs
of consecutive integers, compute a representation of the form
((start1, end1), (start2, end2) ...). Then answer the question "was x
present
in the original list?" in time O(log(# runs)).
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a list of integers as a sequence of ranges:
    ((start_0, end_0), (start_1, end_1), ...), such that the original
    integers are exactly those x such that start_i <= x < end_i for
some i.

    Ranges are encoded as single integers (start << 32 | end), not as
tuples.
   
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if `int_` falls into one of the ranges in
`ranges`.ii(Rtbisecttbisect_leftRtTrueRtFalse(tint_Rttuple_tpostlefttrightt_((s2/usr/lib/python2.7/site-packages/idna/intranges.pytintranges_contain&s(t__doc__RRRRR(((s2/usr/lib/python2.7/site-packages/idna/intranges.pyt<module>s