base (version 3.3.2)

as.function: Convert Object to Function

Description

as.function is a generic function which is used to convert objects to functions. as.function.default works on a list x, which should contain the concatenation of a formal argument list and an expression or an object of mode "call" which will become the function body. The function will be defined in a specified environment, by default that of the caller.

Usage

as.function(x, …)
# S3 method for default
as.function(x, envir = parent.frame(), …)

Arguments

x

object to convert, a list for the default method.

…

additional arguments, depending on object

envir

environment in which the function should be defined

Value

The desired function.

See Also

function; alist which is handy for the construction of argument lists, etc.

Examples

as.function(alist(a = , b = 2, a+b))
as.function(alist(a = , b = 2, a+b))(3)