Method code for $list.sum()

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---

arg data;
var ret, i;

// returns a sum of each element in the list.
if (!data)
    return 0;
[ret, @data] = data;
for i in (data)
    ret += i;
return ret;

// $#Edited: 19 Aug 97 22:21 $brian

---

["// Created 26-Mar-1995 as a part of ColdCore, see: @help Credit"]