问题
I am making a very, very simple module (it is the first I've ever wrote):
package Master::Math;
use 5.12.4;
use strict;
use warnings;
require Exporter;
our @ISA = qw(Exporter)
our %EXPORT_TAGS = (
'all' => [ qw(
max
=cut
1; # End of Master::Math
When I run use this in my program, I get the error
Invalid version format (non-numeric data) at C:/Perl/lib/Master/Math.pm line 3, near "package Master::Math
" syntax error at C:/Perl/lib/Master/Math.pm line 3, near "package Master::Math
require Exporter" Compilation failed in require at C:\MainDev\myperl\max.pl line 3. BEGIN failed--compilation aborted at C:\MainDev\myperl\max.pl line 3.
What do I need to fix this? Thanks!
回答1:
You're missing a semicolon on the declaration of @ISA.
In sub max, $foo is undeclared; use foreach my $foo ....
That should get it to compile. I haven't looked beyond that.
(BTW, I didn't get the same errors you did. I used perl 5.14.0, perl -cw master-math.pm.)
来源：https://stackoverflow.com/questions/8204809/whats-wrong-with-this-perl-module