Fix named slices

When a type is a slice of another type we should use the type name
itself and not a slice of the elements of the slice.

Fixes #243

Author: erikdubbelboer

Diff for: inception/decoder_tpl.go

@@ -353,10 +353,18 @@ var handleSliceTxt = `
 				{{.Name}} = []*{{getType $ic .Name .Typ.Elem.Elem}}{}
 			{{end}}
 		{{else}}
-			{{if eq .IsPtr true}}
-				{{.Name}} = &[]{{getType $ic .Name .Typ.Elem}}{}
+			{{if eq .Typ.Name ""}}
+				{{if eq .IsPtr true}}
+					{{.Name}} = &[]{{getType $ic .Name .Typ.Elem}}{}
+				{{else}}
+					{{.Name}} = []{{getType $ic .Name .Typ.Elem}}{}
+				{{end}}
 			{{else}}
-				{{.Name}} = []{{getType $ic .Name .Typ.Elem}}{}
+				{{if eq .IsPtr true}}
+					{{.Name}} = &{{getType $ic .Name .Typ}}{}
+				{{else}}
+					{{.Name}} = {{getType $ic .Name .Typ}}{}
+				{{end}}
 			{{end}}
 		{{end}}
 

Diff for: tests/ff.go

@@ -2305,3 +2305,14 @@ type XDominantField struct {
 	Name  *int             `json",omitempty"`
 	A     *struct{ X int } `json:"Name,omitempty"`
 }
+
+type NamedSlice []IntType
+
+// ffjson: skip
+type TContainsNamedSlice struct {
+	Slice *NamedSlice `json:"ns"`
+}
+
+type XContainsNamedSlice struct {
+	Slice *NamedSlice `json:"ns"`
+}

Diff for: tests/ff_test.go

@@ -860,3 +860,8 @@ func TestDominantField(t *testing.T) {
 	i := 43
 	testType(t, &TDominantField{Y: &i}, &XDominantField{Y: &i})
 }
+
+func TestNamedSlice(t *testing.T) {
+	ns := NamedSlice{1, 2, 3}
+	testType(t, &TContainsNamedSlice{Slice: &ns}, &XContainsNamedSlice{Slice: &ns})
+}