1MakeMethods::Utility::RUesfe(r3)Contributed Perl DocumenMtaakteiMoenthods::Utility::Ref(3)
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NAME

6       Class::MakeMethods::Utility::Ref - Deep copying and comparison
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SYNOPSIS

9         use Class::MakeMethods::Utility::Ref qw( ref_clone ref_compare );
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11         $deep_copy = ref_clone( $original );
12         $positive_zero_or_negative = ref_compare( $item_a, $item_b );
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DESCRIPTION

15       This module provides utility functions to copy and compare arbitrary
16       references, including full traversal of nested data structures.
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18   REFERENCE
19       The following functions are provided:
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21   ref_clone()
22       Make a recursive copy of a reference.
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24   ref_compare()
25       Attempt to recursively compare two references.
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27       If they are not the same, try to be consistent about returning a
28       positive or negative number so that it can be used for sorting.  The
29       sort order is kinda arbitrary.
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SEE ALSO

32       See Class::MakeMethods for general information about this distribution.
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34       See Ref for the original version of the clone and compare functions
35       used above.
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37       See Clone (v0.09 on CPAN as of 2000-09-21) for a clone method with an
38       XS implementation.
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40       The Perl6 RFP #67 proposes including clone functionality in the core.
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42       See Data::Compare (v0.01 on CPAN as of 1999-04-24) for a Compare method
43       which checks two references for similarity, but it does not provide
44       positive/negative values for ordering purposes.
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48perl v5.38.0                      2023-07-20      MakeMethods::Utility::Ref(3)
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