Use Self instead of repeating the type name.

cranelift/src/filetest/binemit.rs

@@ -35,8 +35,8 @@ struct TextSink {
 
 impl TextSink {
     /// Create a new empty TextSink.
-    pub fn new(isa: &TargetIsa) -> TextSink {
-        TextSink {
+    pub fn new(isa: &TargetIsa) -> Self {
+        Self {
             rnames: isa.reloc_names(),
             offset: 0,
             text: String::new(),

cranelift/src/filetest/concurrent.rs

@@ -38,7 +38,7 @@ pub struct ConcurrentRunner {
 
 impl ConcurrentRunner {
     /// Create a new `ConcurrentRunner` with threads spun up.
-    pub fn new() -> ConcurrentRunner {
+    pub fn new() -> Self {
         let (request_tx, request_rx) = channel();
         let request_mutex = Arc::new(Mutex::new(request_rx));
         let (reply_tx, reply_rx) = channel();
@@ -51,7 +51,7 @@ impl ConcurrentRunner {
             })
             .collect();
 
-        ConcurrentRunner {
+        Self {
             request_tx: Some(request_tx),
             reply_rx,
             handles,

cranelift/src/filetest/runner.rs

@@ -81,8 +81,8 @@ pub struct TestRunner {
 
 impl TestRunner {
     /// Create a new blank TrstRunner.
-    pub fn new(verbose: bool) -> TestRunner {
-        TestRunner {
+    pub fn new(verbose: bool) -> Self {
+        Self {
             verbose,
             dir_stack: Vec::new(),
             tests: Vec::new(),