Implement consuming iterators for ~[], remove vec::{consume, consume_reverse, map_consume}.

src/libextra/json.rs

@@ -24,7 +24,6 @@ use std::io::{WriterUtil, ReaderUtil};
 use std::io;
 use std::str;
 use std::to_str;
-use std::vec;
 
 use serialize::Encodable;
 use serialize;
@@ -941,7 +940,7 @@ impl serialize::Decoder for Decoder {
         let name = match self.stack.pop() {
             String(s) => s,
             List(list) => {
-                do vec::consume_reverse(list) |_i, v| {
+                for list.consume_rev_iter().advance |v| {
                     self.stack.push(v);
                 }
                 match self.stack.pop() {
@@ -1059,7 +1058,7 @@ impl serialize::Decoder for Decoder {
         let len = match self.stack.pop() {
             List(list) => {
                 let len = list.len();
-                do vec::consume_reverse(list) |_i, v| {
+                for list.consume_rev_iter().advance |v| {
                     self.stack.push(v);
                 }
                 len

src/libextra/par.rs

@@ -78,11 +78,10 @@ fn map_slices<A:Copy + Send,B:Copy + Send>(
         info!("num_tasks: %?", (num_tasks, futures.len()));
         assert_eq!(num_tasks, futures.len());
 
-        let r = do vec::map_consume(futures) |ys| {
+        do futures.consume_iter().transform |ys| {
             let mut ys = ys;
             ys.get()
-        };
-        r
+        }.collect()
     }
 }
 

src/libextra/test.rs

@@ -477,7 +477,7 @@ fn run_tests(opts: &TestOpts,
     }
 
     // All benchmarks run at the end, in serial.
-    do vec::consume(filtered_benchs) |_, b| {
+    for filtered_benchs.consume_iter().advance |b| {
         callback(TeWait(copy b.desc));
         run_test(!opts.run_benchmarks, b, ch.clone());
         let (test, result) = p.recv();