From 016449ab3c7629cd145259e35615efdeeea41aaf Mon Sep 17 00:00:00 2001
From: Nick Fitzgerald <fitzgen@gmail.com>
Date: Fri, 10 Aug 2018 13:15:12 -0700
Subject: [PATCH] backend: when complaining about setter names, show the name
 we are complaining about

---
 crates/backend/src/ast.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crates/backend/src/ast.rs b/crates/backend/src/ast.rs
index 57869a89..634e6e4e 100644
--- a/crates/backend/src/ast.rs
+++ b/crates/backend/src/ast.rs
@@ -346,7 +346,9 @@ impl ImportFunction {
     /// for a setter in javascript (in this case `xxx`, so you can write `obj.xxx = val`)
     fn infer_setter_property(&self) -> String {
         let name = self.function.name.to_string();
-        assert!(name.starts_with("set_"), "setters must start with `set_`");
+        if !name.starts_with("set_") {
+            panic!("error: setters must start with `set_`, found: {}", name);
+        }
         name[4..].to_string()
     }