Context

#!/usr/bin/perl -w
use strict;

package MyModule;
use Exporter;

our @ISA = qw( Exporter );
our @EXPORT = qw( MyFunc );

# ... some other subs go here ... [1]
  sub MyFunc {
    return 'Oh yeah!';
  }
# ... some other subs go here ... [2]
1;
}
[download]

#!/usr/bin/perl -w
use strict;
use MyModule; # try 1

{ package SomeOOModule;
use MyModule; # try 2

# ... some other subs go here ... [3]
  sub GetFuncy {
warn '------ ' . __PACKAGE__ . " ------\n";
#warns "------ SomeOOModule ------"
    use MyModule; # try 3
    return MyFunc;
  }
# ... some other subs go here ... [4]
}
[download]

#!/usr/bin/perl -w
use strict;
print SomeOOModule::GetFuncy();
[download]

Question

Answers

• When MyModule.pm isn't found in @INC. Fix: Add it.
• When the namespace has been switched with another package declaration somewhere in 3. Fix:
• When the modules are recursive. Fix: Fix the recursion, or put the Export code into a BEGIN block.
• YOUR ANSWER TO BE ADDED HERE

Extra Credit