Letting RegExp method return something iterable?
brendan at mozilla.com
Wed Aug 28 17:39:40 PDT 2013
Ron Buckton wrote:
> The advantage of a lazy execAll, is the ability to break out of the
> for..of loop without the need to continue to traverse the input string
> looking for matches. This is the same advantage that the `while(m =
> re.exec())` has going for it. You can always be greedy by using
> Array.from or an array comprehension if execAll is lazy, but you are
> back to using a while loop if execAll is greedy and you want lazy
> matching, which limits its usefulness in some scenarios.
Good point -- on top of the quasi-redundancy of an eager execAll viz.
String.prototype.match, I think this makes a good case for a lazy
execAll -- with a much better name.
Candidates: r.iterate(s), r.iterateOver(s), r.execIterator(s) (blech!).
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