58 lines
1.3 KiB
Perl
58 lines
1.3 KiB
Perl
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# ex:ts=8 sw=4:
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# $OpenBSD: Queue.pm,v 1.2 2023/05/06 05:20:31 espie Exp $
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#
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# Copyright (c) 2019 Marc Espie <espie@openbsd.org>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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use v5.36;
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# uniform interface to various queues
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package DPB::Queue;
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package DPB::HashQueue;
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our @ISA = qw(DPB::Queue);
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sub new($class)
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{
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return bless {}, $class;
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}
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sub count($self)
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{
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return scalar keys %$self;
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}
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sub contains($self, $v)
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{
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return $self->{$v};
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}
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package DPB::ListQueue;
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our @ISA = qw(DPB::Queue);
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sub new($class)
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{
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return bless [], $class;
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}
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sub count($self)
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{
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return scalar @$self;
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}
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sub contains($self, $v)
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{
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return grep {$_ == $v} @$self;
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}
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1;
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