Deprecate the std_unicode crate

Author: SimonSapin

src/Cargo.lock

@@ -34,4 +34,3 @@ ENV SCRIPT python2.7 /checkout/x.py test --target $TARGETS \
   src/test/mir-opt \
   src/test/codegen-units \
   src/libcore \
-  src/libstd_unicode/ \

src/ci/docker/wasm32-unknown/Dockerfile

@@ -243,7 +243,7 @@ the source code.
   - `usize`: `libcore/num/mod.rs`
   - `f32`: `libstd/f32.rs`
   - `f64`: `libstd/f64.rs`
-  - `char`: `libstd_unicode/char.rs`
+  - `char`: `libcore/char.rs`
   - `slice`: `liballoc/slice.rs`
   - `str`: `liballoc/str.rs`
   - `const_ptr`: `libcore/ptr.rs`

src/doc/unstable-book/src/language-features/lang-items.md

@@ -9,7 +9,6 @@ path = "lib.rs"
 
 [dependencies]
 core = { path = "../libcore" }
-std_unicode = { path = "../libstd_unicode" }
 compiler_builtins = { path = "../rustc/compiler_builtins_shim" }
 
 [dev-dependencies]

src/liballoc/Cargo.toml

@@ -135,8 +135,6 @@ extern crate test;
 #[cfg(test)]
 extern crate rand;
 
-extern crate std_unicode;
-
 // Module with internal macros used by other modules (needs to be included before other modules).
 #[macro_use]
 mod macros;

src/liballoc/lib.rs

@@ -45,12 +45,11 @@ use core::str::pattern::{Searcher, ReverseSearcher, DoubleEndedSearcher};
 use core::mem;
 use core::ptr;
 use core::iter::FusedIterator;
-use std_unicode::str::{UnicodeStr, Utf16Encoder};
+use core::unicode::str::{UnicodeStr, Utf16Encoder};
 
 use vec_deque::VecDeque;
 use borrow::{Borrow, ToOwned};
 use string::String;
-use std_unicode;
 use vec::Vec;
 use slice::{SliceConcatExt, SliceIndex};
 use boxed::Box;
@@ -75,7 +74,7 @@ pub use core::str::{from_utf8, from_utf8_mut, Chars, CharIndices, Bytes};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use core::str::{from_utf8_unchecked, from_utf8_unchecked_mut, ParseBoolError};
 #[stable(feature = "rust1", since = "1.0.0")]
-pub use std_unicode::str::SplitWhitespace;
+pub use core::unicode::str::SplitWhitespace;
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use core::str::pattern;
 
@@ -1960,7 +1959,7 @@ impl str {
         }
 
         fn case_ignoreable_then_cased<I: Iterator<Item = char>>(iter: I) -> bool {
-            use std_unicode::derived_property::{Cased, Case_Ignorable};
+            use core::unicode::derived_property::{Cased, Case_Ignorable};
             match iter.skip_while(|&c| Case_Ignorable(c)).next() {
                 Some(c) => Cased(c),
                 None => false,

src/liballoc/str.rs

@@ -64,7 +64,7 @@ use core::ops::{self, Add, AddAssign, Index, IndexMut, RangeBounds};
 use core::ptr;
 use core::str::pattern::Pattern;
 use core::str::lossy;
-use std_unicode::char::{decode_utf16, REPLACEMENT_CHARACTER};
+use core::unicode::char::{decode_utf16, REPLACEMENT_CHARACTER};
 
 use borrow::{Cow, ToOwned};
 use str::{self, from_boxed_utf8_unchecked, FromStr, Utf8Error, Chars};

src/liballoc/string.rs

@@ -29,7 +29,7 @@
 #![feature(inclusive_range_fields)]
 
 extern crate alloc_system;
-extern crate std_unicode;
+extern crate core;
 extern crate rand;
 
 use std::hash::{Hash, Hasher};

src/liballoc/tests/lib.rs

@@ -1204,7 +1204,7 @@ fn test_rev_split_char_iterator_no_trailing() {
 
 #[test]
 fn test_utf16_code_units() {
-    use std_unicode::str::Utf16Encoder;
+    use core::unicode::str::Utf16Encoder;
     assert_eq!(Utf16Encoder::new(vec!['é', '\u{1F4A9}'].into_iter()).collect::<Vec<u16>>(),
                [0xE9, 0xD83D, 0xDCA9])
 }

src/liballoc/tests/str.rs

@@ -132,7 +132,7 @@ fn test_from_utf16() {
         let s_as_utf16 = s.encode_utf16().collect::<Vec<u16>>();
         let u_as_string = String::from_utf16(&u).unwrap();
 
-        assert!(::std_unicode::char::decode_utf16(u.iter().cloned()).all(|r| r.is_ok()));
+        assert!(::core::unicode::char::decode_utf16(u.iter().cloned()).all(|r| r.is_ok()));
         assert_eq!(s_as_utf16, u);
 
         assert_eq!(u_as_string, s);