1.9.25 Behavior: testing the method dictionary

canUnderstand: selector

Returns true if the instances of the receiver understand the given selector

hasMethods

Return whether the receiver has any methods defined

includesSelector: selector

Returns true if the local method dictionary contains the given selector

scopeHas: name ifTrue: aBlock

If methods understood by the receiver’s instances have access to a symbol named ’name’, evaluate aBlock

whichClassIncludesSelector: selector

Answer which class in the receiver’s hierarchy contains the implementation of selector used by instances of the class (nil if none does)

whichSelectorsAccess: instVarName

Answer a Set of selectors which access the given instance variable

whichSelectorsAssign: instVarName

Answer a Set of selectors which read the given instance variable

whichSelectorsRead: instVarName

Answer a Set of selectors which read the given instance variable

whichSelectorsReferTo: anObject

Returns a Set of selectors that refer to anObject

whichSelectorsReferToByteCode: aByteCode

Return the collection of selectors in the class which reference the byte code, aByteCode