$_{A} tries to access the %_ hash and not a "Scalar followed by parenthetical" ...

  DB<126> $_{A}=42
 => 42

  DB<127> \%_
 => { A => 42 }

[download]

... which seems to be a predeclared global like $a.

Check special vars.

...

Couldn't find it in perlvar, but I assume the symbol _ has a special "freedom" in Perl.

I.a.w. @_ and $_ are extending their magic to %_! 1

I think you will have to learn to live with it... =)

Cheers Rolf

( addicted to the Perl Programming Language)

UPDATES

added code

footnotes

1) see solution

In reply to Re: Scalar followed by parenthetical... by LanX
in thread Scalar followed by parenthetical... by Anonymous Monk

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