Re: Math::Round::Var::round() takes no action when a number is not supplied

in reply to Math::Round::Var::round() takes no action when a number is not supplied

It seems to raise a perfectly valid exception for me:

sub round {
    my $self = shift;
    my $rnd = $self->{precision};
    my $number = shift;
    return(sprintf("%0.${rnd}f", $number));
};;

print round( {precision=>3}, 1.23456 );;
1.235

print round( {precision=>3}, 1 );;
1.000

print round( {precision=>3} );;
Use of uninitialized value $number in sprintf at ...
0.000
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(Though quite why you'd use a module for this is beyond me?)

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"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.

Comment on Re: Math::Round::Var::round() takes no action when a number is not supplied Download Code

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Re^2: Math::Round::Var::round() takes no action when a number is not supplied by metaperl (Curate) on Aug 31, 2011 at 02:25 UTC
It seems to raise a perfectly valid exception for me Well, a Perl-generated warning is not the same as a program-generated exception, and here we have only a Perl-generated warning.	[reply]
Re^3: Math::Round::Var::round() takes no action when a number is not supplied by BrowserUk (Patriarch) on Aug 31, 2011 at 02:34 UTC
a Perl-generated warning is not the same as a program-generated exception, Really? So how do you handle them differently? Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error. "Science is about questioning the status quo. Questioning authority". In the absence of evidence, opinion is indistinguishable from prejudice.	[reply]
Re^4: Math::Round::Var::round() takes no action when a number is not supplied by metaperl (Curate) on Aug 31, 2011 at 15:38 UTC
In my eyes, the number argument is required and not passing it should throw an exception. The mantra of every experienced web application developer is the same: thou shalt separate business logic from display. Ironically, almost all template engines allow violation of this separation principle, which is the very impetus for HTML template engine development. -- Terence Parr, "Enforcing Strict Model View Separation in Template Engines"	[reply]
Re^5: Math::Round::Var::round() takes no action when a number is not supplied by BrowserUk (Patriarch) on Aug 31, 2011 at 15:59 UTC

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