Array-like Packages

Remove and return the last element of a collection.

Add elements from one collection to the beginning of another collection.

Reduce the number of dimensions by one of a two-dimensional nested array by applying a function against an accumulator and each element along the innermost dimension and returning the accumulation results as a one-dimensional array.

Test whether all elements in a collection are falsy.

Perform a single-pass map-reduce operation against each element in an array and return the accumulated result.

Perform a single-pass map-reduce operation against each element in an array while iterating from right to left and return the accumulated result.

Until a test condition is true, invoke a function for each element in a collection.

Until a test condition is true, invoke a function for each element in a collection, iterating from right to left.

While a test condition is true, invoke a function for each element in a collection.

While a test condition is true, invoke a function for each element in a collection, iterating from right to left.

Group values as arrays associated with distinct keys.

Group values according to an indicator function.

Return the first index at which a given element can be found.

Invoke a function for each element in a collection.

Invoke a function for each element in a collection, iterating from right to left.

Invoke a function for each element in a collection and update the collection in-place.

Invoke a function for each element in a collection and update the collection in-place, iterating from right to left.

Convert a collection to an object whose keys are determined by a provided function and whose values are the collection values.

Convert a collection to an object whose keys are determined by a provided function and whose values are the collection values, iterating from right to left.

Test whether all elements in a collection fail a test implemented by a predicate function.