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Contents
module JustBackgammon
# = Common
#
# Mixin that allows the class to have a custom load method
# It allows initializing by arrays, hashes or objects with the same class.
module Common
# Method that initializing an object by arrays, hashes or objects with the same class.
# Returns the object or array of objects.
# Will raise error if elements of array are not all the same Class.
# Will raise error if argument is not Hash, Array or the same Class.
#
# @param [Array<Hash>, Hash, Object] argument
# The initialization data.
#
# @return [Array<Object>, Object]
def load(argument)
case argument
when Hash
self.new(argument)
when Array
case
when argument.all? { |o| o.instance_of?(Hash) }
argument.map { |o| self.new(o) }
when argument.all? { |o| o.instance_of?(self) }
argument
else
raise ArgumentError, "elements of array must have the same class"
end
when self
argument
else
raise ArgumentError, "argument needs to be a Hash, Array or #{self}"
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems