Revert "Use slice syntax instead of slice_to, etc."

This reverts commit 40b9f5ded50ac4ce8c9323921ec556ad611af6b7.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs
index 31bd377a8de..d6adbd30264 100644
--- a/src/libcollections/string.rs
+++ b/src/libcollections/string.rs
@@ -160,7 +160,7 @@ impl String {
 
         if i > 0 {
             unsafe {
-                res.as_mut_vec().push_all(v.[..i])
+                res.as_mut_vec().push_all(v.slice_to(i))
             };
         }
 
@@ -177,7 +177,7 @@ impl String {
             macro_rules! error(() => ({
                 unsafe {
                     if subseqidx != i_ {
-                        res.as_mut_vec().push_all(vv[subseqidx..i_]);
+                        res.as_mut_vec().push_all(v.slice(subseqidx, i_));
                     }
                     subseqidx = i;
                     res.as_mut_vec().push_all(REPLACEMENT);
@@ -246,7 +246,7 @@ impl String {
         }
         if subseqidx < total {
             unsafe {
-                res.as_mut_vec().push_all(v[subseqidx..total])
+                res.as_mut_vec().push_all(v.slice(subseqidx, total))
             };
         }
         Owned(res.into_string())