Contents

# Copyright 2017 Kouhei Sutou <[e-mail]>
#
# 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 Arrow
  module BlockOpenable
    def open(*args, &block)
      io = super(*args)
      return io unless block
      return yield(io) unless io.respond_to?(:close)

      begin
        yield(io)
      ensure
        io.close
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
red-arrow-0.2.2	lib/arrow/block-openable.rb
red-arrow-0.2.1	lib/arrow/block-openable.rb
red-arrow-0.2.0	lib/arrow/block-openable.rb