Next: , Previous: , Up: Behavior   [Index]


1.9.24 Behavior: testing the form of the instances

instSize

Answer how many fixed instance variables are reserved to each of the receiver’s instances

isBits

Answer whether my instances’ variables are immediate, non-OOP values.

isFixed

Answer whether the receiver’s instances have no indexed instance variables

isIdentity

Answer whether x = y implies x == y for instances of the receiver

isImmediate

Answer whether, if x is an instance of the receiver, x copy == x

isPointers

Answer whether the instance variables of the receiver’s instances are objects

isVariable

Answer whether the receiver’s instances have indexed instance variables