ch07.024_best

来自「Perl Best Practices the source code」· 024_BEST 代码 · 共 17 行

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##   Code fragment (Recommended) from Chapter 7 of "Perl Best Practices"    ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
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=for Rationale:
     We chose arrays over hashes here because profiling indicated over
     99% of accesses were iterated over the entire set, rather than being 
     random. The dataset is expected to grow big enough that the better
     access performance and smaller memory footprint of a big array will
     outweigh the awkwardness of the occasional binary-chop search.
 
=cut