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# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you 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 Elasticsearch
module DSL
# Generic utility methods
#
module Utils
# Camelize an underscored string
#
# A lightweight version of ActiveSupport's `camelize`
#
# @example
# __camelize('query_string')
# # => 'QueryString'
#
# @api private
#
def __camelize(string)
string.to_s.split('_').map(&:capitalize).join
end
extend self
end
end
end
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