Try using Object::InsideOut. It will do just what you want: 
#!/usr/bin/perl

use strict;
use warnings;

package My::Class; {
    use Object::InsideOut;

    my @value :Field('Accessor' => 'value');

    my %init_args :InitArgs = (
        'value' => {
            'Field'     => \@value,
            'Mandatory' => 1,
        },
    );
}

package My::Class::Sub; {
    use Object::InsideOut qw(My::Class);

    sub _preinit :PreInit
    {
        my ($self, $args) = @_;
        $args->{'value'} = 23;
    }
}

package main;

my $obj = My::Class::Sub->new();

print($obj->value(), "\n");

[download]
Remember: There's always one more bug.

In reply to Re: Overriding arguments in Class::Std superclass constructors by jdhedden
in thread Overriding arguments in Class::Std superclass constructors by fce2

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.