danielsun1106 commented on a change in pull request #1309:
URL: https://github.com/apache/groovy/pull/1309#discussion_r453374407
##########
File path: src/main/java/groovy/lang/GString.java
##########
@@ -276,4 +309,16 @@ public Pattern negate() {
public byte[] getBytes(String charset) throws UnsupportedEncodingException
{
return toString().getBytes(charset);
}
+
+ private boolean checkValuesImmutable() {
+ for (Object value : values) {
+ if (null == value) continue;
+ if (!(IMMUTABLE_TYPE_LIST.contains(value.getClass())
Review comment:
enum's `toString` may return different string literal for each time they
are called, e.g.
```groovy
enum Color {
RED, GREEN, BLUE
String toString() {
return "${new Date()}"
}
}
println Color.RED
```
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