Larry Hastings wrote: ______ > THE PATCH > > The core concept: adding two strings together no longer returns a pure > "string" object. Instead, it returns a "string concatenation" object > which holds references to the two strings but does not actually > concatenate > them... yet. The strings are concatenated only when someone requests > the > string's value, at which point it allocates all the space it needs and > renders the concatenated string all at once. > > More to the point, if you add multiple strings together (a + b + c), > it *doesn't* compute the intermediate strings (a + b). > > Upsides to this approach: ........
wouldn't this approach apply to other additions eg list+list seq+seq etc etc. I suppose the utility of such an approach depends on the frequency with which multiple strings/lists/sequences etc are added together in real code. -- Robin Becker -- http://mail.python.org/mailman/listinfo/python-list
