X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fvars.pm;h=39a15bd312bb88a039731ec9a969584a759df4c7;hb=b4b1f6091e7b2196e3cee1d4763595e9bae86880;hp=6ae5373f89e332e47110dd541122b0a6974f9b57;hpb=146174a91a192983720a158796dc066226ad0e55;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/vars.pm b/lib/vars.pm index 6ae5373..39a15bd 100644 --- a/lib/vars.pm +++ b/lib/vars.pm @@ -9,6 +9,9 @@ require 5.002; # We'll let those bugs get found on the development track. require Carp if $] < 5.00450; +use warnings::register; +require strict; + sub import { my $callpack = caller; my ($pack, @imports, $sym, $ch) = @_; @@ -22,9 +25,10 @@ sub import { } elsif ($sym =~ /^\w+[[{].*[]}]$/) { require Carp; Carp::croak("Can't declare individual elements of hash or array"); - } elsif ($^W and length($sym) == 1 and $sym !~ tr/a-zA-Z//) { - require Carp; - Carp::carp("No need to declare built-in vars"); + } elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) { + warnings::warn("No need to declare built-in vars"); + } elsif ( $^H &= strict::bits('vars') ) { + Carp::croak("'$ch$sym' is not a valid variable name under strict vars"); } } *{"${callpack}::$sym"} =