refactored data-types to reduce plugin sizes

operator-unset.go

@@ -9,6 +9,7 @@ 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"
 )
 
 //-------- unset term
@@ -50,8 +51,8 @@ func evalUnset(ctx kern.ExprContext, opTerm *scan.Term) (v any, err error) {
 	}
 
 	count := 0
-	if kern.IsList(childValue) {
-		list, _ := childValue.(*kern.ListType)
+	if array.IsList(childValue) {
+		list, _ := childValue.(*array.ListType)
 		for _, item := range *list {
 			if deleted, err = deleteContextItem(ctx, opTerm, item); err != nil {
 				break