docs(rpn): fix Values() comment — correct order from top-to-bottom to bottom-to-top

Values() returns slices.Clone(s.values) which preserves push order
(bottom at index 0, top at last index). The existing comment
contradicted both the implementation and the test documentation.

1 files changed, 1 insertions, 1 deletions

diff --git a/internal/rpn/stack.go b/internal/rpn/stack.go
index 6032a37..a0af494 100644
--- a/internal/rpn/stack.go
+++ b/internal/rpn/stack.go
@@ -51,7 +51,7 @@ func (s *Stack) Len() int {
 	return len(s.values)
 }
 
-// Values returns a copy of all stack values (top-to-bottom order).
+// Values returns a copy of all stack values (bottom-to-top order).
 func (s *Stack) Values() []StackValue {
 	return slices.Clone(s.values)
 }