There is refactoring which sadly not available from menu. But you can evaluate it manually:
(RBGenerateEqualHashRefactoring className: #YourClass variables: #(var1 var2)) execute 2017-02-20 13:46 GMT+01:00 Trussardi Dario Romano < dario.trussa...@tiscali.it>: > Ciao, > > i works with Pharo 4.0 environment. > > I have a class Product with some instance variable and the > = method set to: > > = anItem > > anItem ifNil:[^false]. > > anItem class = self class ifFalse:[ ^false]. > > ^ rfrConsegna = anItem rfrConsegna > and:[ rfrSubTable = anItem rfrSubTable > and:[ rfrDcm = anItem rfrDcm > and:[ indexRiga = anItem > indexRiga > and:[ > referenceTime = anItem referenceTime > and:[ > consumer = anItem consumer > > and:[ item = anItem item > > and:[ opzioniVoce = anItem opzioniVoce > ]]]]]]] > > Some of these variables are instances of classes with specific > implementation and some variables themselves. > > > I set the relative hash method to: > > hash > > ^ rfrConsegna hash > bitXor:( rfrSubTable hash > bitXor: ( rfrDcm hash > bitXor: ( indexRiga hash > bitXor: ( referenceTime hash > bitXor: ( consumer hash > bitXor: ( item > hash > bitXor: ( > opzioniVoce hash > > ))))))) > > Now when add some setup instances of class Product to a bag, > > the relative inspector report > > some aProduct entry but with some Occurences of this set > to 0. > > aProduct1 3 > aProduct2 0 > aProduct3 0 > > > Some consideration about it ? > > Some references about hash implementations ? > > Thanks, > > Dario > > >
