04.06.14 23:50, Glenn Linderman написав(ла):
3) (Most space efficient) One cached entry, that caches the last codepoint/byte position referenced. UTF-8 is able to be traversed in either direction, so "next/previous" codepoint access would be relatively fast (and such are very common operations, even when indexing notation is used: "for ix in range( len( str_x )): func( str_x[ ix ])".)
Great idea! It should cover most real-word cases. Note that we can scan UTF-8 string left-to-right and right-to-left.
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