implement Combine Sets Instance Op

mocha-common/data/libraries/yaml/net.alcetech.Mocha.System/003-Classes/00036-SetFunction.yaml

@@ -2,8 +2,30 @@
 - entityDefinitions:
   - IDC_SetFunction: '{e00ecc08-a7a3-485c-9f3b-28126a2d63f7}'
 
+  - IDI_SetFunction_Union: '{62f000a2-9b51-44ba-89dc-1d4735eb0015}'
+  - IDI_SetFunction_Intersection: '{3445c281-271d-405f-ba7d-65ea1fdff0f0}'
+  - IDI_SetFunction_Complement: '{fa69b904-315b-4bb1-80a6-c71708fbfde5}'
+  - IDI_SetFunction_Difference: '{ec67f62d-387c-4179-9b03-0d9b70195688}'
+
 - library: '&IDL_MochaBaseSystem;'
   instances:
   - class:      '&IDC_SetFunction;'
     name:      Set Function
     index:     36
+    customTagName:  setFunction
+
+  - setFunction: '&IDI_SetFunction_Union;'
+    name: 'Union'
+    description: 'Returns the set which consists of all elements that are in either Set A or Set B.'
+
+  - setFunction: '&IDI_SetFunction_Intersection;'
+    name: 'Intersection'
+    description: 'Returns the set which consists of only those elements that are in both Set A and Set B.'
+
+  # - setFunction: '&IDI_SetFunction_Complement;'
+  #   name: 'Complement'
+  #   description: 'Returns the set which consists of all elements from the universal set which are not in Set A.'
+    
+  - setFunction: '&IDI_SetFunction_Difference;'
+    name: 'Difference / Except'
+    description: 'Returns the set which consists of elements that are in Set A but not in Set B.'

mocha-common/data/libraries/yaml/net.alcetech.Mocha.System/003-Classes/03954-CombineSetsOp.yaml

@@ -0,0 +1,29 @@
+- entityDefinitions:
+  - IDC_CombineSetsOp: '{a98844a5-ede8-4b4d-a94e-5f6f15db75c0}'
+
+  - IDR_Set_Function__used_by__Combine_Sets_Op: '{586fa00e-ad47-4d8f-a8fd-dc08edf13019}'
+  - IDR_Combine_Sets_Op__uses__Set_Function: '{b20e54d4-2535-44c0-8c99-0411f27a69df}'
+  
+- library: '&IDL_MochaBaseSystem;'
+  instances:
+  - class: '&IDC_CombineSetsOp;'
+    name: Combine Sets Op
+    index: 3954
+    superclasses:
+    - instance: '&IDC_InstanceOp;'
+  
+  - relationship: '&IDR_Set_Function__used_by__Combine_Sets_Op;'
+    index: 6846
+    sourceClassId: '&IDC_SetFunction;'
+    type: 'used by'
+    destinationClassId: '&IDC_CombineSetsOp;'
+    siblingRelationshipId: '&IDR_Combine_Sets_Op__uses__Set_Function;'
+    singular: no
+
+  - relationship: '&IDR_Combine_Sets_Op__uses__Set_Function;'
+    index: 6847
+    sourceClassId: '&IDC_CombineSetsOp;'
+    type: 'uses'
+    destinationClassId: '&IDC_SetFunction;'
+    siblingRelationshipId: '&IDR_Set_Function__used_by__Combine_Sets_Op;'
+    singular: yes