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Viewing changes to Imaginary/pottery/iterutils.py

  • Committer: exarkun
  • Date: 2006-02-26 02:37:39 UTC
  • Revision ID: svn-v4:866e43f7-fbfc-0310-8f2a-ec88d1da2979:trunk:4991
Merge move-pottery-to-trunk

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Imaginary/pottery/iterutils.py
 
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"""Utilities for dealing with iterators and such.
 
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"""
 
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def interlace(x, i):
 
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    """interlace(x, i) -> i0, x, i1, x, ..., x, iN
 
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    """
 
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    i = iter(i)
 
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    try:
 
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        yield i.next()
 
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    except StopIteration:
 
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        return
 
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    for e in i:
 
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        yield x
 
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        yield e