effect-height ( effect -- n )
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Vocabulary
effects

Inputs
effectan effect


Outputs
nan integer


Word description
Outputs the number of objects added to the data stack by the stack effect. This will be negative if the stack effect only removes objects from the stack.

Definition
USING: accessors kernel math sequences ;

IN: effects

: effect-height ( effect -- n )
[ out>> length ] [ in>> length ] bi - ; inline