explicit-inverse? ( object -- ? )

Vocabulary

inverse

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the explicit-inverse class.

Definition

USING: kernel ;

IN: inverse

: explicit-inverse? ( object -- ? )
    dup pop-inverse?
    [ drop t ]
    [ dup math-inverse? [ drop t ] [ normal-inverse? ] if ] if ;