Q&D function to list all objects with the specified class attribute .

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Description

This is one of the author's collection of ls* Q&D functions. Since anyone can define a new class at any time, there is no predefined set of legal or illegal class names. Remember that an object can have multiple classes. This function only allows searching for a single class name in a given call.

Usage

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lsclass(type = "numeric")

Arguments

type

The name of the class you're looking for.

Value

A vector of character strings containing the names of matching objects (as would be returned by the base function ls ) .

Author(s)

Carl Witthoft carl@witthoft.com

See Also

typeof, class , lstype

Examples

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xyzzy<-structure(vector(),class='grue')
lsclass('integer')
lsclass('grue')