fixes example

Author: dvdsk

examples/into_file.rs

@@ -1,4 +1,4 @@
-use rodio::{output_to_wav, Source};
+use rodio::{wav_to_file, Source};
 use std::error::Error;
 
 /// Converts mp3 file to a wav file.
@@ -12,7 +12,7 @@ fn main() -> Result<(), Box<dyn Error>> {
 
     let wav_path = "music_mp3_converted.wav";
     println!("Storing converted audio into {}", wav_path);
-    output_to_wav(&mut audio, wav_path)?;
+    wav_to_file(&mut audio, wav_path)?;
 
     Ok(())
 }

src/wav_output.rs

@@ -1,6 +1,6 @@
 use crate::common::assert_error_traits;
-use crate::Source;
 use crate::Sample;
+use crate::Source;
 use hound::{SampleFormat, WavSpec};
 use std::io::{self, Write};
 use std::path;
@@ -94,10 +94,10 @@ pub fn wav_to_writer(
     Ok(())
 }
 
-struct WholeFrames<I: Iterator<Item=Sample>> {
+struct WholeFrames<I: Iterator<Item = Sample>> {
     buffer: Vec<Sample>,
     pos: usize,
-    source: I
+    source: I,
 }
 
 impl<S: Source> WholeFrames<S> {
@@ -120,14 +120,13 @@ impl<I: Iterator<Item = Sample>> Iterator for WholeFrames<I> {
             }
             self.pos = 0;
         }
-        
+
         let to_yield = self.buffer[self.pos];
         self.pos += 1;
         Some(to_yield)
     }
 }
 
-
 #[cfg(test)]
 mod test {
     use super::wav_to_file;