sum

func sum(lst : list of Number) -> Number
  return reduce(`+', [0]+lst)
Returns the sum of a list of numbers. For example: 
  sum([2 3]) = 2 + 3 = 5
  sum([2]) = 2
  sum([]) = 0
See also: concat, prod, reduce, union.
Herman Venter
This is Slim documentation as snarfed on 27 May 1999 by dB.