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All the Perl that's Practical to Extract and Report

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  • What about lvalue subs? Say I want to do this:
    $obj->foo = $hash_ref;
    I want to make sure that the foo() method only accepts a hash. Would it be defined like this?
    sub foo : method(HASH $x){
       $x->{whatever} = 1;
    I may have the syntax wrong - it's been a while since I played with lvalue subs. But, I think you see what I'm trying to do. Possible?
    • Argh! I hadn't even considered lvalue subs. I'll have to think about them. At the present time I don't see support for them being offered without someone being gracious enough to send a patch :) (after it gets to the CPAN, of course.)