Update to the rustfmt in rust 1.28, which is now stable.

Also, rustfmt's --write-mode=check is now named --check.

lib/wasm/src/environ/dummy.rs

@@ -210,7 +210,8 @@ impl<'dummy_environment> FuncEnvironment for DummyFuncEnvironment<'dummy_environ
         call_args: &[ir::Value],
     ) -> WasmResult<ir::Inst> {
         // Pass the current function's vmctx parameter on to the callee.
-        let vmctx = pos.func
+        let vmctx = pos
+            .func
             .special_param(ir::ArgumentPurpose::VMContext)
             .expect("Missing vmctx parameter");
 
@@ -236,7 +237,8 @@ impl<'dummy_environment> FuncEnvironment for DummyFuncEnvironment<'dummy_environ
         args.extend(call_args.iter().cloned(), &mut pos.func.dfg.value_lists);
         args.push(vmctx, &mut pos.func.dfg.value_lists);
 
-        Ok(pos.ins()
+        Ok(pos
+            .ins()
             .CallIndirect(ir::Opcode::CallIndirect, VOID, sig_ref, args)
             .0)
     }
@@ -249,7 +251,8 @@ impl<'dummy_environment> FuncEnvironment for DummyFuncEnvironment<'dummy_environ
         call_args: &[ir::Value],
     ) -> WasmResult<ir::Inst> {
         // Pass the current function's vmctx parameter on to the callee.
-        let vmctx = pos.func
+        let vmctx = pos
+            .func
             .special_param(ir::ArgumentPurpose::VMContext)
             .expect("Missing vmctx parameter");
 

lib/wasm/src/func_translator.rs

@@ -248,10 +248,8 @@ mod tests {
         // )
         const BODY: [u8; 7] = [
             0x00, // local decl count
-            0x20,
-            0x00, // get_local 0
-            0x41,
-            0x01, // i32.const 1
+            0x20, 0x00, // get_local 0
+            0x41, 0x01, // i32.const 1
             0x6a, // i32.add
             0x0b, // end
         ];
@@ -280,10 +278,8 @@ mod tests {
         // )
         const BODY: [u8; 8] = [
             0x00, // local decl count
-            0x20,
-            0x00, // get_local 0
-            0x41,
-            0x01, // i32.const 1
+            0x20, 0x00, // get_local 0
+            0x41, 0x01, // i32.const 1
             0x6a, // i32.add
             0x0f, // return
             0x0b, // end
@@ -318,19 +314,13 @@ mod tests {
         // )
         const BODY: [u8; 16] = [
             0x01, // 1 local decl.
-            0x01,
-            0x7f, // 1 i32 local.
-            0x03,
-            0x7f, // loop i32
-            0x20,
-            0x00, // get_local 0
-            0x41,
-            0x01, // i32.const 0
+            0x01, 0x7f, // 1 i32 local.
+            0x03, 0x7f, // loop i32
+            0x20, 0x00, // get_local 0
+            0x41, 0x01, // i32.const 0
             0x6a, // i32.add
-            0x21,
-            0x00, // set_local 0
-            0x0c,
-            0x00, // br 0
+            0x21, 0x00, // set_local 0
+            0x0c, 0x00, // br 0
             0x0b, // end
             0x0b, // end
         ];

lib/wasm/src/sections_translator.rs

@@ -412,9 +412,11 @@ pub fn parse_code_section<'data>(
         }
         let mut reader = parser.create_binary_reader();
         let size = reader.bytes_remaining();
-        environ.define_function_body(reader
-            .read_bytes(size)
-            .map_err(WasmError::from_binary_reader_error)?)?;
+        environ.define_function_body(
+            reader
+                .read_bytes(size)
+                .map_err(WasmError::from_binary_reader_error)?,
+        )?;
     }
     Ok(())
 }

lib/wasm/src/state.rs

@@ -282,7 +282,8 @@ impl TranslationState {
         environ: &mut FE,
     ) -> GlobalVariable {
         let index = index as GlobalIndex;
-        *self.globals
+        *self
+            .globals
             .entry(index)
             .or_insert_with(|| environ.make_global(func, index))
     }
@@ -296,7 +297,8 @@ impl TranslationState {
         environ: &mut FE,
     ) -> ir::Heap {
         let index = index as MemoryIndex;
-        *self.heaps
+        *self
+            .heaps
             .entry(index)
             .or_insert_with(|| environ.make_heap(func, index))
     }