---

yaml
---
r: 235824
b: refs/heads/stable
c: e333e6a
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -29,7 +29,7 @@ refs/heads/tmp: afae2ff723393b3ab4ccffef6ac7c6d1809e2da0
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: f859507de8c410b648d934d8f5ec1c52daac971d
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: 0eea0f6e907ff8c8a25a10004bede7b4621b50aa
+refs/heads/stable: e333e6a0dc60ac200e3e4c61dc0e536bee6b98af
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b
 refs/tags/1.2.0: f557861f822c34f07270347b94b5280de20a597e

branches/stable/src/doc/rust.css

@@ -221,6 +221,10 @@ a > code {
     color: #428BCA;
 }
 
+.section-header > a > code {
+    color: #8D1A38;
+}
+
 /* Code highlighting */
 pre.rust .kw { color: #8959A8; }
 pre.rust .kw-2, pre.rust .prelude-ty { color: #4271AE; }

branches/stable/src/doc/trpl/SUMMARY.md

@@ -16,6 +16,7 @@
     * [Iterators](iterators.md)
     * [Concurrency](concurrency.md)
     * [Error Handling](error-handling.md)
+    * [Choosing your Guarantees](choosing-your-guarantees.md)
     * [FFI](ffi.md)
     * [Borrow and AsRef](borrow-and-asref.md)
     * [Release Channels](release-channels.md)

branches/stable/src/doc/trpl/choosing-your-guarantees.md

@@ -84,10 +84,18 @@ pub fn from_u32(i: u32) -> Option<char> {
     if (i > MAX as u32) || (i >= 0xD800 && i <= 0xDFFF) {
         None
     } else {
-        Some(unsafe { transmute(i) })
+        Some(unsafe { from_u32_unchecked(i) })
     }
 }
 
+/// Converts a `u32` to an `char`, not checking whether it is a valid unicode
+/// codepoint.
+#[inline]
+#[unstable(feature = "char_from_unchecked", reason = "recently added API")]
+pub unsafe fn from_u32_unchecked(i: u32) -> char {
+    transmute(i)
+}
+
 /// Converts a number to the character representing it.
 ///
 /// # Return value
@@ -115,12 +123,11 @@ pub fn from_digit(num: u32, radix: u32) -> Option<char> {
         panic!("from_digit: radix is too high (maximum 36)");
     }
     if num < radix {
-        unsafe {
-            if num < 10 {
-                Some(transmute('0' as u32 + num))
-            } else {
-                Some(transmute('a' as u32 + num - 10))
-            }
+        let num = num as u8;
+        if num < 10 {
+            Some((b'0' + num) as char)
+        } else {
+            Some((b'a' + num - 10) as char)
         }
     } else {
         None
@@ -318,16 +325,13 @@ impl Iterator for EscapeUnicode {
                 Some('{')
             }
             EscapeUnicodeState::Value(offset) => {
-                let v = match ((self.c as i32) >> (offset * 4)) & 0xf {
-                    i @ 0 ... 9 => '0' as i32 + i,
-                    i => 'a' as i32 + (i - 10)
-                };
+                let c = from_digit(((self.c as u32) >> (offset * 4)) & 0xf, 16).unwrap();
                 if offset == 0 {
                     self.state = EscapeUnicodeState::RightBrace;
                 } else {
                     self.state = EscapeUnicodeState::Value(offset - 1);
                 }
-                Some(unsafe { transmute(v) })
+                Some(c)
             }
             EscapeUnicodeState::RightBrace => {
                 self.state = EscapeUnicodeState::Done;