Class: Basic101::SgnFunction

Inherits:
Function show all
Defined in:
lib/basic101/sgn_function.rb

Instance Method Summary collapse

Methods inherited from Function

#check_args

Instance Method Details

#call(runtime, args) ⇒ Object 



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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 ⇒ Object 



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# File 'lib/basic101/sgn_function.rb', line 7

def name
  'SGN'
end