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module ActiveRecord
module ConnectionAdapters
module Type
class HashLookupTypeMap < TypeMap # :nodoc:
delegate :key?, to: :@mapping
def lookup(type)
@mapping.fetch(type, proc { default_value }).call(type)
end
def fetch(type, &block)
@mapping.fetch(type, block).call(type)
end
def alias_type(type, alias_type)
register_type(type) { lookup(alias_type) }
end
end
end
end
end
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