pryr

Convert a list of environments to an envlist object.

Create an active binding.

Create a constant (locked) binding.

Create an delayed binding.

Print the byte-wise representation of a value

Display a call (or expression) as a tree.

Compose multiple functions

Capture unevaluated dots.

Find the environment that encloses of a function.

Tools for making promises explicit

A compact syntax for anonymous functions.

Find a function with specified name.

Find functions matching criteria.

Find all functions in that call supplied functions.

Determine function type.

Inspect internal attributes of R objects.

Active binding info

Promise info

Determine if a function is an S3 generic or S3 method.

Make and evaluate calls.

Make a function from its components.

Determine change in memory from running code

How much memory is currently used by R?

Given a function class, find correspoding S4 method

Modify the arguments of a call.

Recursively modify a language object

Extract function table from names.c from R subversion repository.

Compute the size of an object.

Determine object type.

Find the parent (first) promise.

Get parent/ancestor environment

Given an environment or object, return an envlist of its parent environments.

Partial apply a function, filling in some arguments.

Print an envlist

Rebind an existing name.

Recursive ls.

Find C source code for internal R functions

Standardise a function call

A version of substitute that works in the global environment.

A version of substitute that evaluates its first argument.

Track if an object is copied

Unenclose a closure.

Capture the call associated with a promise.

Find where a name is defined.