type checks

Hello,

I am not sure, is there any external module to check types in such mathematical calculation?

$ perl -le 'print ("3" + undef)'
3
$ perl -le 'print ("3" + 4)'
7

I hope the program will throw errors when the above happens.

Thanks.

• type checks by wesley
• Re: type checks by sisyphus
• Perl Monks by mail (was: type checks) by Will Mengarini via beginners
• Re: Perl Monks by mail (was: type checks) by sisyphus
• Re: Perl Monks by mail (was: type checks) by sisyphus
• Re: type checks by sisyphus
• RE: type checks by Claude Brown via beginners
• Re: type checks by sisyphus
• Re: type checks by sisyphus