my %handler; BEGIN { %handler = (
    foo => sub { ref $_[0] eq 'ARRAY' or croak "foo key takes a hashre
+f"; ... },
    bar => sub { $_[0] =~ /wibble$/ or croak "bar key must end with 'w
+ibble'"; ... },
) }

sub process_something {
    my %arg = @_;
    my @results;

    while( my ( $elem, $param ) = each %arg ) {
        push @results, $handler->{ $elem }->( $param );
    }
}

[download]

croak will say the error was in process_something, when you really want it to be thrown for the where the call to process_something was.

Makeshifts last the longest.

In reply to Re^2: Carp::Clan by Aristotle
in thread Carp::Clan by Aristotle

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