as.function {base}

R Documentation

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, ...)

## Default S3 method:
as.function(x, envir = parent.frame(), ...)

Arguments

x	object to convert, a list for the default method.
...	additional arguments to be passed to or from methods.
envir	environment in which the function should be defined.

Value

The desired function.

Author(s)

Peter Dalgaard

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)

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