Update editor styles

src-wasm/hello/Cargo.toml

@@ -23,6 +23,7 @@ console_error_panic_hook = { version = "0.1.6", optional = true }
 # compared to the default allocator's ~10K. It is slower than the default
 # allocator, however.
 wee_alloc = { version = "0.4.5", optional = true }
+wasm-bindgen-futures = "0.4.34"
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.13"

src-wasm/hello/src/lib.rs

@@ -1,14 +1,14 @@
-mod utils;
-
 use wasm_bindgen::prelude::*;
 
+mod utils;
+
 // When the `wee_alloc` feature is enabled, use `wee_alloc` as the global allocator.
 #[cfg(feature = "wee_alloc")]
 #[global_allocator]
 static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
 
 #[wasm_bindgen]
-extern {
+extern "C" {
     fn alert(s: &str);
 
     #[wasm_bindgen(js_namespace = console)]