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Last data update: 2014.03.03

R: Checks if a function is a S3 generic function

isGenericS3

R Documentation

Checks if a function is a S3 generic function

Description

Checks if a function is a S3 generic function.

Usage

## Default S3 method:
isGenericS3(fcn, envir=parent.frame(), ...)

Arguments

`fcn`	A `function` or a `character` string.
`envir`	If argument `fcn` is a `character`, this is the `environment` from which the search for the `function` is done.
`...`	Not used.

Details

A function is considered to be a generic S3/UseMethod function if its name matches one of the known S3 generic functions, or if it calls UseMethod().

Value

Returns TRUE if a generic S3/UseMethod function, otherwise FALSE.

Author(s)

Henrik Bengtsson