Vocabulary
namespaces

Inputs and outputs

variable	a variable, by convention a symbol
quot	a quotation with stack effect ( old -- new )

Word description
Applies the quotation to the old value of the global variable, and assigns the resulting value to the global variable.

Side effects
Modifies variable

Definition

USING: kernel ;

IN: namespaces

: change-global ( variable quot -- )
[ [ get-global ] keep ] dip dip set-global ; inline