Perl, similar to what is found in other languages (such as Java, Python
or C++). The standard method of using eval {}; if($@) {} is often prone
to subtle bugs, primarily that tis far too easy to stomp on the error in
error handlers. And also eval/if isn't the nicest idiom.
WWW: http://search.cpan.org/dist/TryCatch
PR: ports/145951
Submitted by: Jonathan Chu <milki@rescomp.berkeley.edu>
