Extra Packages

Gets values from left.

Gets values from right.

Gets index range of part of array.

Handy helpers for express request

Checks if array has a permutation.

Checks if antecedent ⇔ consequent (a ⇔ b).

Handy express router extensions

Checks if odd no. of values are true.

Fills with given value.

Counts the number of values.

Finds first value passing a test.

Checks if antecedent ⇒ consequent (a ⇒ b).

Gets values except first.

Checks if array ends with a suffix.

Checks if array starts with a prefix.

Checks if array has a subsequence.

Adds values to the end.

Gives iterator for iterable.

Checks if array has a permutation.

Checks if array has a subsequence.