attribute_method_matchers_matching

# File activemodel/lib/active_model/attribute_methods.rb, line 353
        def attribute_method_matchers_matching(method_name)
          attribute_method_matchers_cache.compute_if_absent(method_name) do
            # Must try to match prefixes/suffixes first, or else the matcher with no prefix/suffix
            # will match every time.
            matchers = attribute_method_matchers.partition(&:plain?).reverse.flatten(1)
            matchers.map { |method| method.match(method_name) }.compact
          end
        end