Ignore complexity of children in maps/slices/arrays

_generated/def.go

@@ -308,3 +308,19 @@ type NumberJSONSample struct {
 	Map    map[string]json.Number
 	OE     json.Number `msg:",omitempty"`
 }
+
+type Flobbity struct {
+	A Flobs `msg:"a,omitempty"`
+	B Flobs `msg:"b,omitempty"`
+}
+
+type Flobs []Flob
+
+type Flob struct {
+	X Numberwang `msg:"x"`
+	Y int8       `msg:"y"`
+	Z int8       `msg:"z"`
+	W int32      `msg:"w"`
+}
+
+type Numberwang int8

gen/elem.go

@@ -268,7 +268,10 @@ func (a *Array) Copy() Elem {
 	return &b
 }
 
-func (a *Array) Complexity() int { return 1 + a.Els.Complexity() }
+func (a *Array) Complexity() int {
+	// We consider the complexity constant and leave the children to decide on their own.
+	return 2
+}
 
 // ZeroExpr returns the zero/empty expression or empty string if not supported.  Unsupported for this case.
 func (a *Array) ZeroExpr() string { return "" }
@@ -313,7 +316,10 @@ func (m *Map) Copy() Elem {
 	return &g
 }
 
-func (m *Map) Complexity() int { return 2 + m.Value.Complexity() }
+func (m *Map) Complexity() int {
+	// Complexity of maps are considered constant. Children should decide on their own.
+	return 3
+}
 
 // ZeroExpr returns the zero/empty expression or empty string if not supported.  Always "nil" for this case.
 func (m *Map) ZeroExpr() string { return "nil" }
@@ -360,7 +366,8 @@ func (s *Slice) Copy() Elem {
 }
 
 func (s *Slice) Complexity() int {
-	return 1 + s.Els.Complexity()
+	// We leave the inlining decision to the slice children.
+	return 2
 }
 
 // ZeroExpr returns the zero/empty expression or empty string if not supported.  Always "nil" for this case.