Add any, anyBy, all, allBy, none, noneBy

snippets/all.md

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+### all
+
+Returns `true` if all elements in a collection are truthy, `false` otherwise.
+
+Use `Array.every(Boolean)` to test if all elements in the collection are truthy.
+
+```js
+const all = arr => arr.every(Boolean);
+```
+
+```js
+all([1,2,3]); // true
+```