If a module looks as follows: 
package Foo;
@EXPORT_OK = qw(get_foo);

sub new {
    # constructer
}

sub get {
    # for OO interface
}

sub get_foo {
    # for procedural interface
}

1;

[download]
users may write as follows: 
$o = Foo->new();
$o->get($key);     # of cource, $value
$o->get_foo($key); # what's this?

[download]
If users choose OO interface, they shouldn't be able to call 'get_foo' method. How can I solve this problem?

In reply to Re^4: Module provides both of functional interface and object-oriented one by anazawa
in thread Module provides both of functional interface and object-oriented one by anazawa

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