Rollup merge of #23738 - alexcrichton:snapshots, r=cmr

1 files changed, 0 insertions, 79 deletions

diff --git a/src/libstd/sys/common/wtf8.rs b/src/libstd/sys/common/wtf8.rs
index 9f3dae34c7a..0d83e4497f7 100644
--- a/src/libstd/sys/common/wtf8.rs
+++ b/src/libstd/sys/common/wtf8.rs
@@ -634,30 +634,6 @@ impl Wtf8 {
 ///
 /// Panics when `begin` and `end` do not point to code point boundaries,
 /// or point beyond the end of the string.
-#[cfg(stage0)]
-impl ops::Index<ops::Range<usize>> for Wtf8 {
-    type Output = Wtf8;
-
-    #[inline]
-    fn index(&self, range: &ops::Range<usize>) -> &Wtf8 {
-        // is_code_point_boundary checks that the index is in [0, .len()]
-        if range.start <= range.end &&
-           is_code_point_boundary(self, range.start) &&
-           is_code_point_boundary(self, range.end) {
-            unsafe { slice_unchecked(self, range.start, range.end) }
-        } else {
-            slice_error_fail(self, range.start, range.end)
-        }
-    }
-}
-
-/// Return a slice of the given string for the byte range [`begin`..`end`).
-///
-/// # Panics
-///
-/// Panics when `begin` and `end` do not point to code point boundaries,
-/// or point beyond the end of the string.
-#[cfg(not(stage0))]
 impl ops::Index<ops::Range<usize>> for Wtf8 {
     type Output = Wtf8;
 
@@ -680,28 +656,6 @@ impl ops::Index<ops::Range<usize>> for Wtf8 {
 ///
 /// Panics when `begin` is not at a code point boundary,
 /// or is beyond the end of the string.
-#[cfg(stage0)]
-impl ops::Index<ops::RangeFrom<usize>> for Wtf8 {
-    type Output = Wtf8;
-
-    #[inline]
-    fn index(&self, range: &ops::RangeFrom<usize>) -> &Wtf8 {
-        // is_code_point_boundary checks that the index is in [0, .len()]
-        if is_code_point_boundary(self, range.start) {
-            unsafe { slice_unchecked(self, range.start, self.len()) }
-        } else {
-            slice_error_fail(self, range.start, self.len())
-        }
-    }
-}
-
-/// Return a slice of the given string from byte `begin` to its end.
-///
-/// # Panics
-///
-/// Panics when `begin` is not at a code point boundary,
-/// or is beyond the end of the string.
-#[cfg(not(stage0))]
 impl ops::Index<ops::RangeFrom<usize>> for Wtf8 {
     type Output = Wtf8;
 
@@ -722,28 +676,6 @@ impl ops::Index<ops::RangeFrom<usize>> for Wtf8 {
 ///
 /// Panics when `end` is not at a code point boundary,
 /// or is beyond the end of the string.
-#[cfg(stage0)]
-impl ops::Index<ops::RangeTo<usize>> for Wtf8 {
-    type Output = Wtf8;
-
-    #[inline]
-    fn index(&self, range: &ops::RangeTo<usize>) -> &Wtf8 {
-        // is_code_point_boundary checks that the index is in [0, .len()]
-        if is_code_point_boundary(self, range.end) {
-            unsafe { slice_unchecked(self, 0, range.end) }
-        } else {
-            slice_error_fail(self, 0, range.end)
-        }
-    }
-}
-
-/// Return a slice of the given string from its beginning to byte `end`.
-///
-/// # Panics
-///
-/// Panics when `end` is not at a code point boundary,
-/// or is beyond the end of the string.
-#[cfg(not(stage0))]
 impl ops::Index<ops::RangeTo<usize>> for Wtf8 {
     type Output = Wtf8;
 
@@ -758,17 +690,6 @@ impl ops::Index<ops::RangeTo<usize>> for Wtf8 {
     }
 }
 
-#[cfg(stage0)]
-impl ops::Index<ops::RangeFull> for Wtf8 {
-    type Output = Wtf8;
-
-    #[inline]
-    fn index(&self, _range: &ops::RangeFull) -> &Wtf8 {
-        self
-    }
-}
-
-#[cfg(not(stage0))]
 impl ops::Index<ops::RangeFull> for Wtf8 {
     type Output = Wtf8;