Re: Making variables visible between calls.


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Re: Making variables visible between calls.

by ikegami (Patriarch)

on Dec 12, 2008 at 18:09 UTC ( [id://730002]=note: print w/replies, xml )

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in reply to Making variables visible between calls.

sub create_f {
    my $func = shift;
    return sub { $func->("xpto"); }
}

my $function = create_f( 
    sub {
        my $var = shift;
        print ">> $var <<\n"
    }
);
[download]

It's technically possible using dynamic scoping (local), but that increases coupling. What I presented is a much better alternative.

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Re^2: Making variables visible between calls. by ambs (Pilgrim) on Dec 12, 2008 at 18:12 UTC
Yes, at the moment that is my own solution, but that forces the user to get a set of predefined parameters. It works, but not as clean as I would like it to be to the user. ;) Thanks Alberto Simões	[reply]
Re^3: Making variables visible between calls. by ikegami (Patriarch) on Dec 12, 2008 at 18:13 UTC
A set? No. You could pass a hash or an object. Not as clean? Any method of passing arguments without using parameters would be less clean than using parameters.	[reply]

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