Organising programs without classes

[2014-09-15 Mon 19:24] speaker: Tim Oxley event: Papers We Love SG 02 ** 1991 based on their experience in Self ** protoypes and delegation data type = prototype + traits create new objects by copying the prototypical object ** objects are collection of slots ** objects automatically deleated to their parent object any slot whose name ends in asterisk is a reference to a parent object ** dataParent and traitsParent separation of data and functions ProtoFilledPoly:

• dataParent*: ProtoPoly
• traitsParent*: FilledPolyTrait ** dynamic inheritance by switching traitsParent implements behavioural modes in a cleaner way ** namespace as a collection of prototypical objects