clean up imports

src/error.rs

@@ -8,6 +8,14 @@ pub struct Error {
     pub message: String,
 }
 
+impl Error {
+    pub fn from_str(message: &str) -> Self {
+        Error {
+            message: message.to_string(),
+        }
+    }
+}
+
 impl de::Error for Error {
     fn custom<T: Display>(msg: T) -> Self {
         Error {

src/main.rs

@@ -2,13 +2,14 @@ use serde::de;
 use serde::de::value::MapDeserializer;
 use serde::forward_to_deserialize_any;
 use serde::Deserialize;
+use std::collections::HashMap;
 use std::fmt;
 use std::time::Duration;
 mod error;
-use error::MpdResult;
+use error::{MpdResult,Error};
 
 struct MPDeserializer<'de, Iter: Iterator<Item = (&'de str, &'de str)>> {
-    inner: MapDeserializer<'de, Iter, error::Error>,
+    inner: MapDeserializer<'de, Iter, Error>,
 }
 
 /// Deserialize time from an integer that represents the seconds.
@@ -89,7 +90,7 @@ const SEPARATOR: char = '\x02';
 impl<'de, Iter: Iterator<Item = (&'de str, &'de str)>> de::Deserializer<'de>
     for MPDeserializer<'de, Iter>
 {
-    type Error = error::Error;
+    type Error = Error;
 
     fn deserialize_any<V>(self, visitor: V) -> MpdResult<V::Value>
     where
@@ -136,15 +137,13 @@ where
     deserializer.deserialize_any(StringOrVec())
 }
 
-fn deserialize_response<'a, I: Iterator<Item = &'a str>>(input: I) -> Result<Track, error::Error> {
-    let mut map: std::collections::HashMap<String, String> = std::collections::HashMap::new();
+fn deserialize_response<'a, I: Iterator<Item = &'a str>>(input: I) -> Result<Track, Error> {
+    let mut map: HashMap<String, String> = HashMap::new();
     for line in input {
-        if let Some(_) = line.strip_prefix("OK") {
+        if line.starts_with("OK") {
             break;
         } else if let Some(message) = line.strip_prefix("ACK") {
-            return Err(error::Error {
-                message: message.trim().to_string(),
-            });
+            return Err(Error::from_str(message.trim()));
         }
         let mut fields = line.splitn(2, ": ");
         match (fields.next(), fields.next()) {
@@ -167,7 +166,7 @@ fn deserialize_response<'a, I: Iterator<Item = &'a str>>(input: I) -> Result<Tra
 }
 
 fn main() {
-let input_str = "file: Youtube Rip/VVVVVV Medley.flac
+    let input_str = "file: Youtube Rip/VVVVVV Medley.flac
 Last-Modified: 2018-03-07T13:18:01Z
 Album: VVVVVV OST / PPPPPP
 Artist: FamilyJules7x