Auto merge of #49264 - kennytm:rollup, r=kennytm

Rollup of 23 pull requests

- Successful merges: #48374, #48596, #48759, #48939, #49029, #49069, #49093, #49109, #49117, #49140, #49158, #49188, #49189, #49209, #49211, #49216, #49225, #49231, #49234, #49242, #49244, #49105, #49038
- Failed merges:

1 files changed, 7 insertions, 10 deletions

diff --git a/src/libstd/sys_common/wtf8.rs b/src/libstd/sys_common/wtf8.rs
index 9fff8b91f96..78b2bb5fe6e 100644
--- a/src/libstd/sys_common/wtf8.rs
+++ b/src/libstd/sys_common/wtf8.rs
@@ -27,7 +27,6 @@
 
 use core::str::next_code_point;
 
-use ascii::*;
 use borrow::Cow;
 use char;
 use fmt;
@@ -871,24 +870,22 @@ impl Hash for Wtf8 {
     }
 }
 
-impl AsciiExt for Wtf8 {
-    type Owned = Wtf8Buf;
-
-    fn is_ascii(&self) -> bool {
+impl Wtf8 {
+    pub fn is_ascii(&self) -> bool {
         self.bytes.is_ascii()
     }
-    fn to_ascii_uppercase(&self) -> Wtf8Buf {
+    pub fn to_ascii_uppercase(&self) -> Wtf8Buf {
         Wtf8Buf { bytes: self.bytes.to_ascii_uppercase() }
     }
-    fn to_ascii_lowercase(&self) -> Wtf8Buf {
+    pub fn to_ascii_lowercase(&self) -> Wtf8Buf {
         Wtf8Buf { bytes: self.bytes.to_ascii_lowercase() }
     }
-    fn eq_ignore_ascii_case(&self, other: &Wtf8) -> bool {
+    pub fn eq_ignore_ascii_case(&self, other: &Wtf8) -> bool {
         self.bytes.eq_ignore_ascii_case(&other.bytes)
     }
 
-    fn make_ascii_uppercase(&mut self) { self.bytes.make_ascii_uppercase() }
-    fn make_ascii_lowercase(&mut self) { self.bytes.make_ascii_lowercase() }
+    pub fn make_ascii_uppercase(&mut self) { self.bytes.make_ascii_uppercase() }
+    pub fn make_ascii_lowercase(&mut self) { self.bytes.make_ascii_lowercase() }
 }
 
 #[cfg(test)]