Re^2: call subroutine if scalar is changed

I suppose this could be used to couple two variables @a=@$a or vice versa $a=@$a such that the coupling survives new assignments and the partner is destroyed as soon as the original is? 🤩

Cheers Rolf
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Comment on Re^2: call subroutine if scalar is changed

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Re^3: call subroutine if scalar is changed by ikegami (Patriarch) on Jul 29, 2019 at 03:22 UTC
Yes, though I think it would be easier with `tie`.	[reply] [d/l]