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Re^3: unexpected modify hash in a distance with grep { $_ }by afoken (Chancellor) |
on Dec 20, 2019 at 21:06 UTC ( [id://11110455]=note: print w/replies, xml ) | Need Help?? |
Nope, it happens because of the aliasing of the hash value inside grep, but I'm not sure how. Interesting effect. I see your output with plain perl v5.22.2 (from 2016) on Linux x86-64 and with Strawberry v5.14.2 (from 2011) on Windows 64 bit. So this seems to be an old, unsolved problem. Alexander
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