Format source codes and update tests

src/expr.rs

@@ -1686,7 +1686,8 @@ fn rewrite_match_body(
 ) -> Option<String> {
     let (extend, body) = match body.node {
         ast::ExprKind::Block(ref block)
-            if !is_unsafe_block(block) && is_simple_block(block, context.codemap) => {
+            if !is_unsafe_block(block) && is_simple_block(block, context.codemap) =>
+        {
             if let ast::StmtKind::Expr(ref expr) = block.stmts[0].node {
                 (expr.can_be_overflowed(context, 1), &**expr)
             } else {

src/visitor.rs

@@ -563,7 +563,10 @@ impl<'a> FmtVisitor<'a> {
                 if s.rewrite(
                     &self.get_context(),
                     Shape::indented(self.block_indent, self.config),
-                ).is_none() => true,
+                ).is_none() =>
+            {
+                true
+            }
             None => true,
             _ => self.failed,
         };

tests/target/long-match-arms-brace-newline.rs

@@ -7,7 +7,10 @@ fn main() {
     match x
     {
         aaaaaaaa::Bbbbb::Ccccccccccccc(_, Some(ref x))
-            if x == "aaaaaaaaaaa aaaaaaa aaaaaa" => Ok(()),
+            if x == "aaaaaaaaaaa aaaaaaa aaaaaa" =>
+        {
+            Ok(())
+        }
         _ => Err(x),
     }
 }

tests/target/match.rs

@@ -29,7 +29,10 @@ fn foo() {
         }
 
         Patternnnnnnnnnnnnnnnnnnnnnnnnn | Patternnnnnnnnnnnnnnnnnnnnnnnnn
-            if looooooooooooooooooooooooooooooooooooooooong_guard => meh,
+            if looooooooooooooooooooooooooooooooooooooooong_guard =>
+        {
+            meh
+        }
 
         // Test that earlier patterns can take the guard space
         (aaaa, bbbbb, ccccccc, aaaaa, bbbbbbbb, cccccc, aaaa, bbbbbbbb, cccccc, dddddd) |