| 1 | func any(list) {
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| 2 |   ## Returns true if any value in the list is truthy.
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| 3 |   ##
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| 4 |   ## If the list is empty, return false.
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| 5 | 
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| 6 |   for item in (list) {
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| 7 |     if (item) {
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| 8 |       return (true)
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| 9 |     }
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| 10 |   }
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| 11 |   return (false)
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| 12 | }
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| 13 | 
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| 14 | func all(list) {
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| 15 |   ## Returns true if all values in the list are truthy.
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| 16 |   ##
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| 17 |   ## If the list is empty, return true.
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| 18 | 
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| 19 |   for item in (list) {
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| 20 |     if (not item) {
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| 21 |       return (false)
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| 22 |     }
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| 23 |   }
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| 24 |   return (true)
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| 25 | }
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| 26 | 
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| 27 | func sum(list; start=0) {
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| 28 |   ## Computes the sum of all elements in the list.
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| 29 |   ##
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| 30 |   ## Returns 0 for an empty list.
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| 31 | 
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| 32 |   var sum = start
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| 33 |   for item in (list) {
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| 34 |     setvar sum += item
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| 35 |   }
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| 36 |   return (sum)
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| 37 | }
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