Fix clippy complaints

parser/examples/dump_yaml.rs

@@ -12,13 +12,13 @@ fn print_indent(indent: usize) {
 }
 
 fn dump_node(doc: &yaml::Yaml, indent: usize) {
-    match doc {
-        &yaml::Yaml::Array(ref v) => {
+    match *doc {
+        yaml::Yaml::Array(ref v) => {
             for x in v {
                 dump_node(x, indent + 1);
             }
         },
-        &yaml::Yaml::Hash(ref h) => {
+        yaml::Yaml::Hash(ref h) => {
             for (k, v) in h {
                 print_indent(indent);
                 println!("{:?}:", k);

parser/src/emitter.rs

@@ -1,6 +1,6 @@
 use std::fmt;
 use std::convert::From;
-use yaml::{Array, Hash, Yaml};
+use yaml::{Hash, Yaml};
 
 #[derive(Copy, Clone, Debug)]
 pub enum EmitError {
@@ -193,7 +193,7 @@ impl<'a> YamlEmitter<'a> {
         }
     }
 
-    fn emit_array(&mut self, v: &Array) -> EmitResult {
+    fn emit_array(&mut self, v: &[Yaml]) -> EmitResult {
         if v.is_empty() {
             try!(write!(self.writer, "[]"));
         } else {

parser/tests/quickcheck.rs

@@ -11,11 +11,11 @@ quickcheck! {
         let mut out_str = String::new();
         {
             let mut emitter = YamlEmitter::new(&mut out_str);
-            emitter.dump(&Yaml::Array(xs.into_iter().map(|s| Yaml::String(s)).collect())).unwrap();
+            emitter.dump(&Yaml::Array(xs.into_iter().map(Yaml::String).collect())).unwrap();
         }
         if let Err(err) = YamlLoader::load_from_str(&out_str) {
             return TestResult::error(err.description());
         }
-        return TestResult::passed();
+        TestResult::passed()
     }
-}
+}

parser/tests/spec_test.rs

@@ -5,6 +5,8 @@ extern crate yaml_rust;
 use yaml_rust::parser::{Parser, EventReceiver, Event};
 use yaml_rust::scanner::TScalarStyle;
 
+// These names match the names used in the C++ test suite.
+#[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
 #[derive(Clone, PartialEq, PartialOrd, Debug)]
 enum TestEvent {
     OnDocumentStart,