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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns a basic <em>n</em>-bit checksum of the characters in <em>str</em>, where <em>n</em> is the optional <tt>Fixnum</tt> parameter, defaulting to 16. The result is simply the sum of the binary value of each character in <em>str</em> modulo <tt>2n - 1</tt>. This is not a particularly good checksum. full_name: String#sum is_singleton: false name: sum params: | str.sum(n=16) => integer visibility: public