From b33aa09384e638ce09a84110bc95cb2ca3fcbfc9 Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Fri, 8 Jul 2022 16:40:51 -0700
Subject: [PATCH] chore: the `for in` elaborator now propagates the element
 type to the body

---
 Lake/Build/Module.lean | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lake/Build/Module.lean b/Lake/Build/Module.lean
index f51964ac34..34a2925bf5 100644
--- a/Lake/Build/Module.lean
+++ b/Lake/Build/Module.lean
@@ -71,7 +71,7 @@ variable [Monad m] [MonadBuildStore m]
 def recBuildExternalDynlibs (pkgs : Array Package)
 [MonadLog m] : IndexT m (Array ActiveFileTarget × Array FilePath) := do
   let mut libDirs := #[]
-  let mut targets := #[]
+  let mut targets : Array ActiveFileTarget := #[]
   for pkg in pkgs do
     libDirs := libDirs.push pkg.libDir
     let externLibTargets ← pkg.externLibs.mapM (·.shared.recBuild)