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Contents
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF 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 Arrow
module FieldContainable
def find_field(name_or_index)
case name_or_index
when String, Symbol
name = name_or_index
get_field_by_name(name)
when Integer
index = name_or_index
raise if index < 0
index += n_fields if index < 0
return nil if index < 0 or index >= n_fields
get_field(index)
else
message = "field name or index must be String, Symbol or Integer"
message << ": <#{name_or_index.inspect}>"
raise ArgumentError, message
end
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems