Merge branch 'master' into fetch-perf

Author: antonmedv

README.md

@@ -149,9 +149,9 @@ func main() {
 * [GoDaddy](https://godaddy.com) employs Expr for the customization of its GoDaddy Pro product.
 * [ByteDance](https://bytedance.com) incorporates Expr into its internal business rule engine.
 * [Aviasales](https://aviasales.ru) utilizes Expr as a business rule engine for its flight search engine.
-* [Wish.com](https://www.wish.com) employs Expr in its decision-making rule engine for the Wish Assistant.
-* [Naoma.AI](https://www.naoma.ai) uses Expr as a part of its call scoring engine.
+* [Alibaba](https://alibaba.com) uses Expr in a web framework for building recommendation services.
 * [Argo](https://argoproj.github.io) integrates Expr into Argo Rollouts and Argo Workflows for Kubernetes.
+* [Wish.com](https://www.wish.com) employs Expr in its decision-making rule engine for the Wish Assistant.
 * [OpenTelemetry](https://opentelemetry.io) integrates Expr into the OpenTelemetry Collector.
 * [Philips Labs](https://github.com/philips-labs/tabia) employs Expr in Tabia, a tool designed to collect insights on their code bases.
 * [CrowdSec](https://crowdsec.net) incorporates Expr into its security automation tool.
@@ -172,6 +172,7 @@ func main() {
 * [FastSchema](https://github.com/fastschema/fastschema) - A BaaS leveraging Expr for its customizable and dynamic Access Control system.
 * [WunderGraph Cosmo](https://github.com/wundergraph/cosmo) - GraphQL Federeration Router uses Expr to customize Middleware behaviour
 * [SOLO](https://solo.one) uses Expr interally to allow dynamic code execution with custom defined functions.
+* [Naoma.AI](https://www.naoma.ai) uses Expr as a part of its call scoring engine.
 
 [Add your company too](https://github.com/expr-lang/expr/edit/master/README.md)
 

ast/node.go

@@ -15,7 +15,7 @@ var (
 type Node interface {
 	Location() file.Location
 	SetLocation(file.Location)
-	Nature() nature.Nature
+	Nature() *nature.Nature
 	SetNature(nature.Nature)
 	Type() reflect.Type
 	SetType(reflect.Type)
@@ -47,8 +47,8 @@ func (n *base) SetLocation(loc file.Location) {
 }
 
 // Nature returns the nature of the node.
-func (n *base) Nature() nature.Nature {
-	return n.nature
+func (n *base) Nature() *nature.Nature {
+	return &n.nature
 }
 
 // SetNature sets the nature of the node.
@@ -66,7 +66,7 @@ func (n *base) Type() reflect.Type {
 
 // SetType sets the type of the node.
 func (n *base) SetType(t reflect.Type) {
-	n.nature.Type = t
+	n.nature = nature.FromType(t)
 }
 
 // NilNode represents nil.