I was thinking if there any chance to write an accessor in just one line, and I came up with the following code. Of course I wouldn't use in a real project because its unreadable but it might worth sharing. The good thing is just replacing subroutine name creates a new accessor.
sub methodA { $_ = (caller(0))[3];s/.*\://; @_ > 1 ? $_[0]->{$_} = $_[
+1] : $_[0]->{$_} };

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In reply to Obfuscated accessor by bluescreen

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