swarajsaaj commented on a change in pull request #530:
URL: https://github.com/apache/commons-lang/pull/530#discussion_r426143710
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File path: src/main/java/org/apache/commons/lang3/builder/ToStringStyle.java
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@@ -635,6 +635,14 @@ protected void appendDetail(final StringBuffer buffer,
final String fieldName, f
* {@code toString}, not {@code null}
*/
protected void appendDetail(final StringBuffer buffer, final String
fieldName, final Collection<?> coll) {
+ if (coll != null && !coll.isEmpty()) {
+ coll.stream().findFirst()
+ .map(Object::getClass)
+ .filter(Class::isEnum)
Review comment:
This will restrict only enums to be appended in a collection, a list of
other types (e.g. Collection of Integers or Strings) will be ignored. This
filter should be removed.
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