I added a use case, as this sort of structure is a bit sensitive - perl apparently interprets the OP proposed use case as an anonymous hash because parentheses are present.

When I was going through a clever phase, I played a bit with prototypes, and decided they are generally more trouble than they are worth. IMHO, of course.

In reply to Re^3: make subroutine that takes expression as implicit block as first arg by kennethk
in thread make subroutine that takes expression as implicit block as first arg by myuserid7

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