class-of ( object -- class )
Factor handbook » The language » Objects » Classes

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Vocabulary
classes

Inputs

object

an object

Outputs

class

a class

Word description
Outputs an object's canonical class. While an object may be an instance of more than one class, the canonical class is either its built-in class, or if the object is a tuple, its tuple class.

Examples

USING: classes prettyprint ; 1.0 class-of .
float

USING: classes prettyprint ; IN: scratchpad TUPLE: point x y z ; T{ point f 1 2 3 } class-of .
point

Definition

IN: classes

GENERIC: class-of ( object -- class )

Methods

USING: classes classes.builtin kernel kernel.private ;

M: object class-of tag type>class ; inline


USING: classes classes.tuple.private kernel kernel.private
slots.private words ;

M: tuple class-of layout-of 2 slot { word } declare ; inline