Catamorphism: Difference between revisions
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<lang rebol>; find the sum, with seed:0 (default) |
<lang rebol>; find the sum, with seed:0 (default) |
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print fold [1 2 3 4] => |
print fold [1 2 3 4] => add |
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; find the product, with seed:1 |
; find the product, with seed:1 |
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print fold [1 2 3 4] .seed:1 => |
print fold [1 2 3 4] .seed:1 => mul</lang> |
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{{out}} |
{{out}} |
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<pre>10 |
<pre>10 |
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24</pre> |
24</pre> |
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=={{header|BASIC}}== |
=={{header|BASIC}}== |
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