cleanup: `&foo[0..a]` -> `&foo[..a]`

4 files changed, 12 insertions, 12 deletions

diff --git a/src/libcore/fmt/float.rs b/src/libcore/fmt/float.rs
index 0ffcb014c28..f1b9ebe6d90 100644
--- a/src/libcore/fmt/float.rs
+++ b/src/libcore/fmt/float.rs
@@ -332,5 +332,5 @@ pub fn float_to_str_bytes_common<T: Float, U, F>(
         }
     }
 
-    f(unsafe { str::from_utf8_unchecked(&buf[0..end]) })
+    f(unsafe { str::from_utf8_unchecked(&buf[..end]) })
 }
diff --git a/src/libcore/fmt/mod.rs b/src/libcore/fmt/mod.rs
index a0ec9e5f151..20ac3e28c97 100644
--- a/src/libcore/fmt/mod.rs
+++ b/src/libcore/fmt/mod.rs
@@ -449,7 +449,7 @@ impl<'a> Formatter<'a> {
             for c in sign.into_iter() {
                 let mut b = [0; 4];
                 let n = c.encode_utf8(&mut b).unwrap_or(0);
-                let b = unsafe { str::from_utf8_unchecked(&b[0..n]) };
+                let b = unsafe { str::from_utf8_unchecked(&b[..n]) };
                 try!(f.buf.write_str(b));
             }
             if prefixed { f.buf.write_str(prefix) }
@@ -692,7 +692,7 @@ impl String for char {
     fn fmt(&self, f: &mut Formatter) -> Result {
         let mut utf8 = [0u8; 4];
         let amt = self.encode_utf8(&mut utf8).unwrap_or(0);
-        let s: &str = unsafe { mem::transmute(&utf8[0..amt]) };
+        let s: &str = unsafe { mem::transmute(&utf8[..amt]) };
         String::fmt(s, f)
     }
 }
diff --git a/src/libcore/slice.rs b/src/libcore/slice.rs
index 7e47c5257a3..22da168911d 100644
--- a/src/libcore/slice.rs
+++ b/src/libcore/slice.rs
@@ -159,7 +159,7 @@ impl<T> SliceExt for [T] {
 
     #[inline]
     fn split_at(&self, mid: uint) -> (&[T], &[T]) {
-        (&self[0..mid], &self[mid..])
+        (&self[..mid], &self[mid..])
     }
 
     #[inline]
@@ -240,7 +240,7 @@ impl<T> SliceExt for [T] {
 
     #[inline]
     fn init(&self) -> &[T] {
-        &self[0..(self.len() - 1)]
+        &self[..(self.len() - 1)]
     }
 
     #[inline]
@@ -443,7 +443,7 @@ impl<T> SliceExt for [T] {
     #[inline]
     fn starts_with(&self, needle: &[T]) -> bool where T: PartialEq {
         let n = needle.len();
-        self.len() >= n && needle == &self[0..n]
+        self.len() >= n && needle == &self[..n]
     }
 
     #[inline]
@@ -972,7 +972,7 @@ impl<'a, T, P> Iterator for Split<'a, T, P> where P: FnMut(&T) -> bool {
         match self.v.iter().position(|x| (self.pred)(x)) {
             None => self.finish(),
             Some(idx) => {
-                let ret = Some(&self.v[0..idx]);
+                let ret = Some(&self.v[..idx]);
                 self.v = &self.v[(idx + 1)..];
                 ret
             }
@@ -999,7 +999,7 @@ impl<'a, T, P> DoubleEndedIterator for Split<'a, T, P> where P: FnMut(&T) -> boo
             None => self.finish(),
             Some(idx) => {
                 let ret = Some(&self.v[(idx + 1)..]);
-                self.v = &self.v[0..idx];
+                self.v = &self.v[..idx];
                 ret
             }
         }
@@ -1195,7 +1195,7 @@ impl<'a, T> Iterator for Windows<'a, T> {
         if self.size > self.v.len() {
             None
         } else {
-            let ret = Some(&self.v[0..self.size]);
+            let ret = Some(&self.v[..self.size]);
             self.v = &self.v[1..];
             ret
         }
diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index 94ee9b7dcf6..d9cf6dc086d 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -701,10 +701,10 @@ impl TwoWaySearcher {
         //
         // What's going on is we have some critical factorization (u, v) of the
         // needle, and we want to determine whether u is a suffix of
-        // &v[0..period]. If it is, we use "Algorithm CP1". Otherwise we use
+        // &v[..period]. If it is, we use "Algorithm CP1". Otherwise we use
         // "Algorithm CP2", which is optimized for when the period of the needle
         // is large.
-        if &needle[0..crit_pos] == &needle[period.. period + crit_pos] {
+        if &needle[..crit_pos] == &needle[period.. period + crit_pos] {
             TwoWaySearcher {
                 crit_pos: crit_pos,
                 period: period,
@@ -1412,7 +1412,7 @@ impl StrExt for str {
     #[inline]
     fn starts_with(&self, needle: &str) -> bool {
         let n = needle.len();
-        self.len() >= n && needle.as_bytes() == &self.as_bytes()[0..n]
+        self.len() >= n && needle.as_bytes() == &self.as_bytes()[..n]
     }
 
     #[inline]