[Lldb-commits] [lldb] [lldb][NFC] Create StackID::IsYounger (PR #209402)

[David Spickett via lldb-commits]

================
@@ -50,6 +50,11 @@ class StackID {
 
   void Dump(Stream *s);
 
+  /// Returns true if `lhs` corresponds to a frame younger (i.e. higher on the
+  /// call stack) than `rhs`, and false otherwise (including when the frames are
+  /// not comparable).
+  static bool IsYounger(const StackID &lhs, const StackID &rhs);
----------------
DavidSpickett wrote:

What's the reason for this to be static, do we need it for a sorting algorithm?

You could have:
```
bool IsYoungerThan(const StackID &other);
```
If the answer is "there's not much difference and it makes the diff smaller to use a static", then fair enough.

https://github.com/llvm/llvm-project/pull/209402