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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