refactored data-types to reduce plugin sizes

iter-factory.go

@@ -9,6 +9,9 @@ import (
 
 	"git.portale-stac.it/go-pkg/expr/kern"
 	"git.portale-stac.it/go-pkg/expr/scan"
+	"git.portale-stac.it/go-pkg/expr/types/array"
+	"git.portale-stac.it/go-pkg/expr/types/dict"
+	"git.portale-stac.it/go-pkg/expr/types/list"
 )
 
 func NewFormalIterator(value any) (it kern.Iterator) {
@@ -26,11 +29,11 @@ func NewIterator(ctx kern.ExprContext, value any, ops []*scan.Term) (it kern.Ite
 	}
 
 	switch v := value.(type) {
-	case *kern.ListType:
+	case *array.ListType:
 		it = NewListIterator(v, nil)
-	case *kern.LinkedList:
+	case *list.LinkedList:
 		it = NewLinkedListIterator(v, nil)
-	case *kern.DictType:
+	case *dict.DictType:
 		it, err = NewDictIterator(v, nil)
 	case []any:
 		it = NewArrayIterator(v)