# from Roderich Schupp
# on Wednesday 01 October 2008:
>> engine dependency on Tie/Hash/NamedCapture.pm ?
>
>Ouch, missed that one. So Tie/Hash/NamedCapture.pm is something like
>Errno.pm, i.e. require'd by the core whenever needed (in the case of
>Errno.pm that means that the program references $!).
I think it is triggered by using '%!'.
$ perl -MDevel::TraceDeps -e 'unless (open(FH, "/fangorn/spouse")) {
warn $!{ENOENT} ? "ENOSPOUSE" : "argh";}'
...
-----
req: Errno.pm
file: -e
line: 2
I imagine that something similar would point-out what triggers loading
of T::H::NamedCapture.
--Eric
--
Speak softly and carry a big carrot.
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