Re^4: vec overflow?by BrowserUk (Pope)
|on Jun 25, 2013 at 13:47 UTC||Need Help??|
I think using a foreach alias like shown in the docs for substr is a clearer alternative to lvalue-refs.
Maybe, though I've been aware of LVALUE refs, and using them regularly, for a long time, but I've never seen a use of a for alias used that way until I followed your link to a newer set of docs than I have locally.
The first one is very familiar (to me), whereas the latter just looks weird.
The presence of \ and $$ref seem stronger clues than the $_ and for.
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