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.\" ========================================================================
.\"
.IX Title "KiokuDB::TypeMap::Shadow 3pm"
.TH KiokuDB::TypeMap::Shadow 3pm "2022-05-23" "perl v5.34.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
KiokuDB::TypeMap::Shadow \- Try a list of KiokuDB::TypeMaps in order
.SH "VERSION"
.IX Header "VERSION"
version 0.57
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 9
\&    KiokuDB\->new(
\&        backend => ...,
\&        typemap => KiokuDB::TypeMap::Shadow\->new(
\&            typemaps => [
\&                $first,
\&                $second,
\&            ],
\&        ),
\&    );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This class is useful for performing mixin inheritance like merging of typemaps,
by shadowing an ordered list.
.PP
This is used internally to overlay the user typemap on top of the
KiokuDB::TypeMap::Default instance provided by the backend.
.PP
This differs from using \f(CW\*(C`includes\*(C'\fR in KiokuDB::TypeMap because that
inclusion is computed symmetrically, like roles.
.SH "AUTHOR"
.IX Header "AUTHOR"
Yuval Kogman <nothingmuch@woobling.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 2014 by Yuval Kogman, Infinity Interactive.
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.