Catamorphism: Difference between revisions

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BQN has two different primitives for catamorphism:
BQN has two different primitives for catamorphism:
<ul>
⚫
- Fold(<code>´</code>): Works on lists only.
- Insert(<code>˝</code>): Works on arrays with higher rank.
<li>Fold(<code>´</code>): Works on lists only.</li>
⚫
<li>Insert(<code>˝</code>): Works on arrays with higher rank.</li>
</ul>


Both of these primitives take a dyadic function, and an optional initial element.
Both of these primitives take a dyadic function, and an optional initial element.
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