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.IX Title "YAML::PP::Schema::Tie::IxHash 3"
.TH YAML::PP::Schema::Tie::IxHash 3 2024-02-14 "perl v5.38.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH NAME
YAML::PP::Schema::Tie::IxHash \- (Deprecated) Schema for serializing ordered hashes
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 3
\&    use YAML::PP;
\&    use Tie::IxHash;
\&    my $yp = YAML::PP\->new( schema => [qw/ + Tie::IxHash /] );
\&
\&    tie(my %ordered, \*(AqTie::IxHash\*(Aq);
\&    %ordered = (
\&        U => 2,
\&        B => 52,
\&    );
\&
\&    my $yaml = $yp\->dump_string(\e%ordered);
\&
\&
\&    # Output:
\&    \-\-\-
\&    U: 2
\&    B: 52
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This is deprecated. See the new option \f(CW\*(C`preserve\*(C'\fR in YAML::PP.
.PP
This schema allows you to dump ordered hashes which are tied to
Tie::IxHash.
.PP
This code is pretty new and experimental.
.PP
It is not yet implemented for loading yet, so for now you have to tie
the hashes yourself.
.PP
Examples:
.IP order 4
.IX Item "order"
.Vb 12
\&        # Code
\&        tie(my %order, \*(AqTie::IxHash\*(Aq);
\&        %order = (
\&            U => 2,
\&            B => 52,
\&            c => 64,
\&            19 => 84,
\&            Disco => 2000,
\&            Year => 2525,
\&            days_on_earth => 20_000,
\&        );
\&        \e%order;
\&
\&
\&        # YAML
\&        \-\-\-
\&        U: 2
\&        B: 52
\&        c: 64
\&        19: 84
\&        Disco: 2000
\&        Year: 2525
\&        days_on_earth: 20000
.Ve
.IP order_blessed 4
.IX Item "order_blessed"
.Vb 12
\&        # Code
\&        tie(my %order, \*(AqTie::IxHash\*(Aq);
\&        %order = (
\&            U => 2,
\&            B => 52,
\&            c => 64,
\&            19 => 84,
\&            Disco => 2000,
\&            Year => 2525,
\&            days_on_earth => 20_000,
\&        );
\&        bless \e%order, \*(AqOrder\*(Aq;
\&
\&
\&        # YAML
\&        \-\-\- !perl/hash:Order
\&        U: 2
\&        B: 52
\&        c: 64
\&        19: 84
\&        Disco: 2000
\&        Year: 2525
\&        days_on_earth: 20000
.Ve
.SH METHODS
.IX Header "METHODS"
.IP register 4
.IX Item "register"
Called by YAML::PP::Schema