Update SIPs state

scala-improvement-bot · scala-improvement-bot · commit cb7225cc51fb · 2022-09-26T08:38:57.000Z
diff --git a/_sips/sips/polymorphic-eta-expansion.md b/_sips/sips/polymorphic-eta-expansion.md
@@ -0,0 +1,7 @@
+---
+title: SIP-49 - Polymorphic Eta-Expansion
+status: under-review
+pull-request-number: 49
+stage: design
+
+---
