Towards GetField
Towards GetField 2
Towards GetField 3
Towards GetField 4 (wrapDelegated on get field)
Add AssocList.at back
Towards GetField 4: GetField holes
Move new field creation to Sugar
GetField as operator
Sugar.GetField lenses
Sugar.holeResultPick returns whether result has holes
refactored Sugar.uninferredHoles
*broken*