bench: fix fallout

Author: Jorge Aparicio

src/test/bench/shootout-fasta.rs

@@ -75,7 +75,9 @@ impl<'a> AAGen<'a> {
         AAGen { rng: rng, data: data }
     }
 }
-impl<'a> Iterator<u8> for AAGen<'a> {
+impl<'a> Iterator for AAGen<'a> {
+    type Item = u8;
+
     fn next(&mut self) -> Option<u8> {
         let r = self.rng.gen();
         self.data.iter()
@@ -85,7 +87,7 @@ impl<'a> Iterator<u8> for AAGen<'a> {
     }
 }
 
-fn make_fasta<W: Writer, I: Iterator<u8>>(
+fn make_fasta<W: Writer, I: Iterator<Item=u8>>(
     wr: &mut W, header: &str, mut it: I, mut n: uint)
     -> std::io::IoResult<()>
 {

src/test/bench/shootout-k-nucleotide.rs

@@ -194,7 +194,9 @@ impl Table {
     }
 }
 
-impl<'a> Iterator<&'a Entry> for Items<'a> {
+impl<'a> Iterator for Items<'a> {
+    type Item = &'a Entry;
+
     fn next(&mut self) -> Option<&'a Entry> {
         let ret = match self.cur {
             None => {

src/test/bench/shootout-meteor.rs

@@ -57,7 +57,9 @@ struct Iterate<'a, T> {
     f: |&T|: 'a -> T,
     next: T
 }
-impl<'a, T> Iterator<T> for Iterate<'a, T> {
+impl<'a, T> Iterator for Iterate<'a, T> {
+    type Item = T;
+
     fn next(&mut self) -> Option<T> {
         let mut res = (self.f)(&self.next);
         std::mem::swap(&mut res, &mut self.next);
@@ -78,7 +80,9 @@ impl<'a, T> List<'a, T> {
         ListIterator{cur: self}
     }
 }
-impl<'a, T> Iterator<&'a T> for ListIterator<'a, T> {
+impl<'a, T> Iterator for ListIterator<'a, T> {
+    type Item = &'a T;
+
     fn next(&mut self) -> Option<&'a T> {
         match *self.cur {
             List::Nil => None,

src/test/bench/shootout-reverse-complement.rs

@@ -150,7 +150,9 @@ struct MutDnaSeqs<'a> { s: &'a mut [u8] }
 fn mut_dna_seqs<'a>(s: &'a mut [u8]) -> MutDnaSeqs<'a> {
     MutDnaSeqs { s: s }
 }
-impl<'a> Iterator<&'a mut [u8]> for MutDnaSeqs<'a> {
+impl<'a> Iterator for MutDnaSeqs<'a> {
+    type Item = &'a mut [u8];
+
     fn next(&mut self) -> Option<&'a mut [u8]> {
         let tmp = std::mem::replace(&mut self.s, &mut []);
         let tmp = match memchr(tmp, b'\n') {
@@ -229,7 +231,7 @@ unsafe impl<T: 'static> Send for Racy<T> {}
 /// The closure `f` is run in parallel with an element of `iter`.
 fn parallel<'a, I, T, F>(mut iter: I, f: F)
         where T: 'a+Send + Sync,
-              I: Iterator<&'a mut [T]>,
+              I: Iterator<Item=&'a mut [T]>,
               F: Fn(&mut [T]) + Sync {
     use std::mem;
     use std::raw::Repr;