The following module was proposed for inclusion in the Module List:
modid: Tie::WarnGlobal
DSLIP: adpr?
description: Ties variables to functions, warns on use
userid: STEPHEN (Stephen Nelson)
chapterid: 6 (Data_Type_Utilities)
communities:
www.perlmonks.org
similar:
Tie::Watch
rationale:
(Reposting because I didn't see it appear in the archives, sorry if
duplicate)
Many programmers agree that in large projects, globals are a Bad
Thing. Faced with a global $FOO, it's frequently a good idea to
create a FOO() constant or a get_foo() function. However, replacing
$FOO with get_foo() can be a problem. One can't really know until
after the event whether one wrote get_foo() correctly. Plus, finding
all instances of $FOO, or references to $FOO, can be a complete
nightmare.
Tie::WarnGlobal is designed to fix that. One can tie a variable to
get_*() and set_*() functions. Whenever the variable is read to or
written from, a warning is printed.
The most similar class on CPAN is Tie::Watch. Tie::Watch is very
flexible, making it possible to set up many different kinds of
callbacks. Tie::WarnGlobal's interface is aimed at a more specific
refactoring process.
enteredby: STEPHEN (Stephen Nelson)
enteredon: Tue May 8 18:56:10 2001 GMT
The resulting entry would be:
Tie::
::WarnGlobal adpr ? Ties variables to
:functions, warns on use
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