Type numbers - Factor Documentation (original) (raw)
Type numbers
Factor handbook » The implementation » VM memory layouts
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Corresponding to every built-in class is a built-in type number. An object can be asked for its built-in type number: tag ( object -- n )
Built-in type numbers can be converted to classes, and vice versa:
type-number ( class -- n )
num-types
See also
Built-in classes