Switch from `typedef` to `using` in C++ code. NFC (#5258)

This is more modern and (IMHO) easier to read than that old C typedef
syntax.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/passes/Strip.cpp b/src/passes/Strip.cpp
index 00cd87ae0..fe3476202 100644
--- a/src/passes/Strip.cpp
+++ b/src/passes/Strip.cpp
@@ -31,7 +31,7 @@ struct Strip : public Pass {
   bool requiresNonNullableLocalFixups() override { return false; }
 
   // A function that returns true if the method should be removed.
-  typedef std::function<bool(UserSection&)> Decider;
+  using Decider = std::function<bool(UserSection&)>;
   Decider decider;
 
   Strip(Decider decider) : decider(decider) {}