I have package Foo.

Package Foo has sub-packages Foo::Bar and Foo::Baz.

When I do 

my $foo = Foo->new qw(
                        Foo::Bar 
                        Foo::Baz
                      );

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I load those modules: 
    my @submodules = @_;
    for ( @submodules ) {
        eval "require $_" || die "$!";
    }

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as part of new {}.

But I can't figure out how to abbreviate the submodule names to just "Bar" and "Baz" and still have it work.

For instance I would like to do 

my $foo = Foo->new qw(
                        Bar 
                        Baz
                      );

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and have new {} do this: 
    for ( @submodules ) {
        eval "require Foo::$_" || die "$!";
    }

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or similar. But when I do it that way, although it doesn't die, the submodule's methods don't seem to be available.

This works: 

package Foo;
sub new {
    my $class      = shift;
    my @submodules = @_;
    for ( @submodules ) {
        eval "require $_" || die "$@";
    }
    bless { submodules => \@submodules }, $class;
}
1;

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package Foo::Bar;
sub details {
    return {
        name => 'Simon',
        job  => 'doctor',
    };
}

1;

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#!/usr/bin/perl
use Foo;
my $foo = Foo->new qw(Foo::Bar Foo::Baz );
for ( @{ $foo->{'submodules'} } ) {
    print $_->details->{'name'} 
      . " is a "
      . $_->details->{'job'}
      . $/;
}
# prints: Simon is a doctor

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This doesn't work: 

package Foo;
sub new {
    my $class      = shift;
    my @submodules = @_;
    for ( @submodules ) {
        eval "require Foo::$_" || die "$@";
    }
    bless { submodules => \@submodules }, $class;
}
1;

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package Foo::Bar;
sub details {
    return {
        name => 'Simon',
        job  => 'doctor',
    };
}

1;

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#!/usr/bin/perl
use Foo;
my $foo = Foo->new qw( Bar );
for ( @{ $foo->{'submodules'} } ) {
    print $_->details->{'name'} 
      . " is a "
      . $_->details->{'job'}
      . $/;
}
# prints: Can't locate object method "details" via package "Bar" 
# (perhaps you forgot to load "Bar"?)

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($_='kkvvttuu bbooppuuiiffss qqffssmm iibbddllffss')
=~y~b-v~a-z~s; print

In reply to Loading Modules At Run-Time With Interpolation by Cody Pendant

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