> Yeah, returning a tied value is what I was grudgingly working on, as I didn't think it would be very efficient

There is probably a solution without XS ...

You could compare the caller in the tied STORE and set a flag $islvalue for the next call.

Like that only your first call would be inefficient.

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Re^3: can sub check context for lvalue vs rvalue context? by LanX
in thread can sub check context for lvalue vs rvalue context? by perl-diddler

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