libcoretest: fix fallout in unit tests

Author: Jorge Aparicio

src/libcoretest/lib.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 #![feature(globs, unsafe_destructor, macro_rules, slicing_syntax)]
+#![feature(unboxed_closures)]
 
 extern crate core;
 extern crate test;

src/libcoretest/str.rs

@@ -54,7 +54,7 @@ fn test_rsplitn_char_iterator() {
     split.reverse();
     assert_eq!(split, vec!["\nMäry häd ä", "little", "lämb\nLittle", "lämb\n"]);
 
-    let mut split: Vec<&str> = data.rsplitn(3, |c: char| c == ' ').collect();
+    let mut split: Vec<&str> = data.rsplitn(3, |&: c: char| c == ' ').collect();
     split.reverse();
     assert_eq!(split, vec!["\nMäry häd ä", "little", "lämb\nLittle", "lämb\n"]);
 
@@ -63,7 +63,7 @@ fn test_rsplitn_char_iterator() {
     split.reverse();
     assert_eq!(split, vec!["\nMäry häd ", " little l", "mb\nLittle l", "mb\n"]);
 
-    let mut split: Vec<&str> = data.rsplitn(3, |c: char| c == 'ä').collect();
+    let mut split: Vec<&str> = data.rsplitn(3, |&: c: char| c == 'ä').collect();
     split.reverse();
     assert_eq!(split, vec!["\nMäry häd ", " little l", "mb\nLittle l", "mb\n"]);
 }
@@ -79,10 +79,10 @@ fn test_split_char_iterator() {
     rsplit.reverse();
     assert_eq!(rsplit, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
 
-    let split: Vec<&str> = data.split(|c: char| c == ' ').collect();
+    let split: Vec<&str> = data.split(|&: c: char| c == ' ').collect();
     assert_eq!( split, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
 
-    let mut rsplit: Vec<&str> = data.split(|c: char| c == ' ').rev().collect();
+    let mut rsplit: Vec<&str> = data.split(|&: c: char| c == ' ').rev().collect();
     rsplit.reverse();
     assert_eq!(rsplit, vec!["\nMäry", "häd", "ä", "little", "lämb\nLittle", "lämb\n"]);
 
@@ -94,10 +94,10 @@ fn test_split_char_iterator() {
     rsplit.reverse();
     assert_eq!(rsplit, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
 
-    let split: Vec<&str> = data.split(|c: char| c == 'ä').collect();
+    let split: Vec<&str> = data.split(|&: c: char| c == 'ä').collect();
     assert_eq!( split, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
 
-    let mut rsplit: Vec<&str> = data.split(|c: char| c == 'ä').rev().collect();
+    let mut rsplit: Vec<&str> = data.split(|&: c: char| c == 'ä').rev().collect();
     rsplit.reverse();
     assert_eq!(rsplit, vec!["\nM", "ry h", "d ", " little l", "mb\nLittle l", "mb\n"]);
 }