purrr

Accumulate intermediate results of a vector reduction

Create a list of given length

Coerce array to list

Convert an object into a mapper function

Coerce a list to a vector

Map at depth

Create an attribute getter function

Compose multiple functions

Produce all combinations of list elements

Find the value or position of the first match

Done box

Do every, some, or none of the elements of a list satisfy a predicate?

Execute a function

Best practices for exporting adverb-wrapped functions

Flatten a list of lists into a simple vector.

Infix attribute accessor

Does a list contain an object?

Find head/tail that all satisfies a predicate.

Apply a function to each element of a vector, and its index

Transform a function to make it run insistently or slowly

Invoke functions.

Test is an object is integer or double

Keep or discard elements using a predicate function.

Lift the domain of a function

Modify a list

Apply a function to list-elements of a list

Apply a function to each element of a list or atomic vector

Map over multiple inputs simultaneously.

Apply a function to each element of a vector conditionally

Modify elements selectively

Modify a pluck location

Negate a predicate function.

Default value for NULL

Partial apply a function, filling in some arguments.

Pipe operator

Pluck or chuck a single element from a vector or environment

Prepend a vector

purrr: Functional Programming Tools

Create delaying rate settings

Wait for a given time

Generate random sample from a Bernoulli distribution

Generate random sample from a discrete uniform distribution

Reduce a list to a single value by iteratively applying a binary function

Reduce from the right (retired)

Objects exported from other packages

Repeat a value with matching length

Re-run expressions multiple times.

Capture side effects.

Set names in a vector

Splice objects and lists of objects into a list

Transpose a list.

Compute the depth of a vector

Match/validate a set of conditions for an object and continue with the action associated with the first valid match.

Zap an element