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# Copyright 2015 - present MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
use strict;
use warnings;
package MongoDB::Role::_PrivateConstructor;
# MongoDB interface for a private constructor
use version;
our $VERSION = 'v2.0.2';
use MongoDB::_Constants;
use Sub::Defer;
use Moo::Role;
# When assertions are enabled, the private constructor delegates to the
# public one, which checks required/isa assertions. When disabled,
# the private constructor blesses args directly to the class for speed.
BEGIN {
my $code =
WITH_ASSERTS
? 'sub _new { my $class = shift; $class->new(@_) }'
: <<'HERE';
my %done;
sub _new {
my $class = shift;
undefer_sub($class->can(q{new})) and $done{$class}++
unless $done{$class};
return bless {@_}, $class
}
HERE
eval $code; ## no critic
}
1;
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