class Basic101::SgnFunction
Public Instance Methods
call(runtime, args)
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# File lib/basic101/sgn_function.rb, line 11 def call(runtime, args) check_args args, [BasicNumeric] value = args.first.eval(runtime) value.sgn end
name()
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# File lib/basic101/sgn_function.rb, line 7 def name 'SGN' end