class Valvat::Checksum::PL
Public Instance Methods
check_digit()
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# File lib/valvat/checksum/pl.rb, line 6 def check_digit weight = [6, 5, 7, 2, 3, 4, 5, 6, 7] figures.map do |fig| fig * weight.shift end.inject(:+).modulo(11) end