core: Inherit the char module

Author: alexcrichton

src/libstd/char.rs renamed to src/libcore/char.rs

@@ -27,14 +27,13 @@
 use cast::transmute;
 use option::{None, Option, Some};
 use iter::{Iterator, range_step};
-use str::StrSlice;
 use unicode::{derived_property, property, general_category, decompose, conversions};
 
 #[cfg(test)] use str::Str;
 #[cfg(test)] use strbuf::StrBuf;
 #[cfg(test)] use slice::ImmutableVector;
 
-#[cfg(not(test))] use cmp::{Eq, Ord};
+#[cfg(not(test))] use cmp::{Eq, Ord, TotalEq, TotalOrd, Ordering};
 #[cfg(not(test))] use default::Default;
 
 // UTF-8 ranges and tags for encoding characters
@@ -659,12 +658,22 @@ impl Eq for char {
     fn eq(&self, other: &char) -> bool { (*self) == (*other) }
 }
 
+#[cfg(not(test))]
+impl TotalEq for char {}
+
 #[cfg(not(test))]
 impl Ord for char {
     #[inline]
     fn lt(&self, other: &char) -> bool { *self < *other }
 }
 
+#[cfg(not(test))]
+impl TotalOrd for char {
+    fn cmp(&self, other: &char) -> Ordering {
+        (*self as u32).cmp(&(*other as u32))
+    }
+}
+
 #[cfg(not(test))]
 impl Default for char {
     #[inline]

src/libcore/lib.rs

@@ -34,3 +34,7 @@ pub mod kinds;
 pub mod ops;
 pub mod ty;
 pub mod container;
+
+/* Core types and methods on primitives */
+
+pub mod char;

src/libstd/lib.rs

@@ -138,6 +138,7 @@ extern crate core;
 #[cfg(not(test))] pub use ty = core::ty;
 
 pub use core::cast;
+pub use core::char;
 pub use core::container;
 pub use core::intrinsics;
 pub use core::mem;
@@ -188,7 +189,6 @@ pub mod prelude;
 
 pub mod unit;
 pub mod bool;
-pub mod char;
 pub mod tuple;
 
 pub mod slice;