Created
October 3, 2014 08:55
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Ordered set python generator
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| def osetg(seq, idfun=None): | |
| # Ordered set generator | |
| # <http://www.peterbe.com/plog/uniqifiers-benchmark> | |
| if idfun is None: | |
| def idfun(x): return x | |
| seen = {} | |
| for item in seq: | |
| marker = idfun(item) | |
| if marker in seen: continue | |
| seen[marker] = 1 | |
| yield item | |
| return |
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