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### conflict.pm --- Protect ranges from being written over -*- Perl -*- |
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### Ivan Shmakov, 2013 |
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## To the extent possible under law, the author(s) have dedicated all |
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## copyright and related and neighboring rights to this software to the |
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## public domain worldwide. This software is distributed without any |
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## warranty. |
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## You should have received a copy of the CC0 Public Domain Dedication |
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## along with this software. If not, see |
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## . |
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### Code: |
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package Tree::Range::conflict; |
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use mro; |
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use strict; |
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our $VERSION = 0.22; |
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require Carp; |
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sub range_set { |
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my ($self, $lower, $upper, $value) = @_; |
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Carp::croak ("Range (", $lower, " to ", $upper, |
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") is already associated with a value") |
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unless ($self->range_free_p ($lower, $upper)); |
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## . |
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$self->next::method ($lower, $upper, $value); |
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} |
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1; |
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### Emacs trailer |
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## Local variables: |
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## coding: us-ascii |
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## End: |
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### conflict.pm ends here |