bkietz commented on a change in pull request #8894:
URL: https://github.com/apache/arrow/pull/8894#discussion_r552856136
##########
File path: cpp/src/arrow/type.h
##########
@@ -1517,6 +1517,12 @@ class ARROW_EXPORT FieldRef {
std::string ToString() const;
size_t hash() const;
+ struct Hash {
+ size_t operator()(const FieldRef& ref) const { return ref.hash(); }
+ };
+
+ explicit operator bool() const { return Equals(FieldPath{}); }
Review comment:
I'll rename to `empty()`
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
