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# Helper methods for all loaders
module Loaders::BaseLoader
extend ActiveSupport::Concern
class_methods do
# Convert a class method into a resolver proc. The method should follow the
# (obj, args, ctx) calling convention
def [](sym)
resolver = method(sym)
raise ArgumentError.new("#{self}.#{sym} is not a resolver") unless resolver.arity == 3
resolver
end
end
end
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