Actually that was exactly the case I had in mind when I made the statement. "b => {}" is required so that the presence of {c} can be checked. In fact I updated the OP's sample to include exists $x->{notdef}{notdeftoo} to demonstrate this case.

True laziness is hard work

In reply to Re^3: When DOESN'T "Use of uninitialized value" show up? by GrandFather
in thread When DOESN'T "Use of uninitialized value" show up? by Tim McDaniel

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