fix benchmark and the tutorials

Author: thestinger

doc/tutorial-tasks.md

@@ -359,7 +359,7 @@ fn pnorm(nums: &~[float], p: uint) -> float {
 
 fn main() {
     let numbers = vec::from_fn(1000000, |_| rand::random::<float>());
-    println(fmt!("Inf-norm = %?",  numbers.max()));
+    println(fmt!("Inf-norm = %?",  *numbers.iter().max().unwrap()));
 
     let numbers_arc = ARC(numbers);
 

doc/tutorial.md

@@ -2039,17 +2039,12 @@ themselves contain type parameters. A trait for generalized sequence
 types might look like the following:
 
 ~~~~
-# use std::vec;
 trait Seq<T> {
-    fn len(&self) -> uint;
-    fn iter(&self, b: &fn(v: &T));
+    fn length(&self) -> uint;
 }
 
 impl<T> Seq<T> for ~[T] {
-    fn len(&self) -> uint { self.len() }
-    fn iter(&self, b: &fn(v: &T)) {
-        for vec::each(*self) |elt| { b(elt); }
-    }
+    fn length(&self) -> uint { self.len() }
 }
 ~~~~
 

src/test/bench/shootout-fasta-redux.rs

@@ -95,7 +95,8 @@ impl RepeatFasta {
             let alu: &[u8] = self.alu.as_bytes();
 
             copy_memory(buf, alu, alu_len);
-            copy_memory(vec::mut_slice(buf, alu_len, buf.len()),
+            let buf_len = buf.len();
+            copy_memory(vec::mut_slice(buf, alu_len, buf_len),
                         alu,
                         LINE_LEN);