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
+```

snippets/allBy.md

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+### allBy
+
+Returns `true` if the provided predicate function returns `true` for all elements in a collection, `false` otherwise.
+
+Use `Array.every()` to test if all elements in the collection return `true` based on `fn`.
+
+```js
+const allBy = (arr, fn) => arr.every(fn);
+```
+
+```js
+allBy([4,2,3], x => x > 1); // true
+```

snippets/any.md

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+### any
+
+Returns `true` if at least one element in a collection is truthy, `false` otherwise.
+
+Use `Array.some(Boolean)` to test if any elements in the collection are truthy.
+
+```js
+const any = arr => arr.some(Boolean);
+```
+
+```js
+any([0,0,1,0]); // true
+```

snippets/anyBy.md

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+### anyBy
+
+Returns `true` if the provided predicate function returns `true` for at least one element in a collection, `false` otherwise.
+
+Use `Array.some()` to test if any elements in the collection return `true` based on `fn`.
+
+```js
+const anyBy = (arr, fn) => arr.some(fn);
+```
+
+```js
+anyBy([0,1,2,0], x => x >= 2); // true
+```

snippets/none.md

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+### none
+
+Returns `true` if no elements in a collection are truthy, `false` otherwise.
+
+Use `!Array.some(Boolean)` to test if any elements in the collection are truthy.
+
+```js
+const none = arr => !arr.some(Boolean);
+```
+
+```js
+none([0,0,0]); // true
+```

snippets/noneBy.md

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+### noneBy
+
+Returns `true` if the provided predicate function returns `false` for all elements in a collection, `false` otherwise.
+
+Use `Array.some()` to test if any elements in the collection return `true` based on `fn`.
+
+```js
+const noneBy = (arr, fn) => !arr.some(fn);
+```
+
+```js
+noneBy([0,1,3,0], x => x == 2); // true
+```