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# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2009-2020 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.
module BSON
# Provides static helper methods around determining what environment is
# running without polluting the global namespace.
#
# @since 2.0.0
module Environment
extend self
# Determine if we are using JRuby or not.
#
# @example Are we running with JRuby?
# Environment.jruby?
#
# @return [ true, false ] If JRuby is our vm.
#
# @since 2.0.0
def jruby?
@jruby ||= defined?(JRUBY_VERSION)
end
# Determine if we are using Ruby version 1.9.
#
# @example Are we running with Ruby version 1.9?
# Environment.ruby_1_9?
#
# @return [ true, false ] If the Ruby version is 1.9.
#
# @since 4.2.0
# @deprecated
def ruby_1_9?
@ruby_1_9 ||= RUBY_VERSION < '2.0.0'
end
end
end
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