From 89c8621426f8d18fbe9afafefb48a976f5e74653 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Tue, 30 Jan 2018 07:37:25 -0800
Subject: [PATCH] Flag `free()` as returning `void`

---
 crates/wasm-bindgen-cli-support/src/js.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/wasm-bindgen-cli-support/src/js.rs b/crates/wasm-bindgen-cli-support/src/js.rs
index 19673459..5336add8 100644
--- a/crates/wasm-bindgen-cli-support/src/js.rs
+++ b/crates/wasm-bindgen-cli-support/src/js.rs
@@ -236,7 +236,7 @@ impl<'a> Js<'a> {
                 wasm.{}(ptr);
             }}
         ", s.free_function()));
-        ts_dst.push_str("free();\n");
+        ts_dst.push_str("free(): void;\n");
 
         for function in s.functions.iter() {
             let (js, ts) = self.generate_function(