remove unnecessary parentheses from range notation

[rust.git] / src / libstd / path / posix.rs

diff --git a/src/libstd/path/posix.rs b/src/libstd/path/posix.rs
index aab64639ab5903865a180c74dc2715d88e71e10d..422e2cedc48f78e6b9e2f769d01ef2bfdb278749 100644 (file)
--- a/src/libstd/path/posix.rs
+++ b/src/libstd/path/posix.rs
@@ -126,7 +126,7 @@ unsafe fn set_filename_unchecked<T: BytesContainer>(&mut self, filename: T) {
             None => {
                 self.repr = Path::normalize(filename);
             }
-            Some(idx) if &self.repr[(idx+1)..] == b".." => {
+            Some(idx) if &self.repr[idx+1..] == b".." => {
                 let mut v = Vec::with_capacity(self.repr.len() + 1 + filename.len());
                 v.push_all(self.repr.as_slice());
                 v.push(SEP_BYTE);
@@ -136,7 +136,7 @@ unsafe fn set_filename_unchecked<T: BytesContainer>(&mut self, filename: T) {
             }
             Some(idx) => {
                 let mut v = Vec::with_capacity(idx + 1 + filename.len());
-                v.push_all(&self.repr[..(idx+1)]);
+                v.push_all(&self.repr[..idx+1]);
                 v.push_all(filename);
                 // FIXME: this is slow
                 self.repr = Path::normalize(v.as_slice());
@@ -178,7 +178,7 @@ fn dirname<'a>(&'a self) -> &'a [u8] {
             None if b".." == self.repr => self.repr.as_slice(),
             None => dot_static,
             Some(0) => &self.repr[..1],
-            Some(idx) if &self.repr[(idx+1)..] == b".." => self.repr.as_slice(),
+            Some(idx) if &self.repr[idx+1..] == b".." => self.repr.as_slice(),
             Some(idx) => &self.repr[..idx]
         }
     }
@@ -188,9 +188,9 @@ fn filename<'a>(&'a self) -> Option<&'a [u8]> {
             None if b"." == self.repr ||
                 b".." == self.repr => None,
             None => Some(self.repr.as_slice()),
-            Some(idx) if &self.repr[(idx+1)..] == b".." => None,
+            Some(idx) if &self.repr[idx+1..] == b".." => None,
             Some(0) if self.repr[1..].is_empty() => None,
-            Some(idx) => Some(&self.repr[(idx+1)..])
+            Some(idx) => Some(&self.repr[idx+1..])
         }
     }