librustc: Disallow trait bounds in types, enumerations, and structure definitions. r=tjc

Author: pcwalton

src/libcore/hashmap.rs

@@ -35,13 +35,13 @@ pub mod linear {
 
     const INITIAL_CAPACITY: uint = 32u; // 2^5
 
-    struct Bucket<K: Eq Hash, V> {
+    struct Bucket<K,V> {
         hash: uint,
         key: K,
         value: V,
     }
 
-    pub struct LinearMap<K: Eq Hash, V> {
+    pub struct LinearMap<K,V> {
         k0: u64,
         k1: u64,
         resize_at: uint,
@@ -408,7 +408,7 @@ pub mod linear {
         pure fn ne(&self, other: &LinearMap<K, V>) -> bool { !self.eq(other) }
     }
 
-    pub struct LinearSet<T: Hash IterBytes Eq> {
+    pub struct LinearSet<T> {
         priv map: LinearMap<T, ()>
     }
 

src/libcore/io.rs

@@ -1111,7 +1111,7 @@ pub mod fsync {
 
 
     // Artifacts that need to fsync on destruction
-    pub struct Res<t: Copy> {
+    pub struct Res<t> {
         arg: Arg<t>,
     }
 

src/libcore/oldcomm.rs

@@ -68,7 +68,7 @@ use vec;
  * transmitted. If a port value is copied, both copies refer to the same
  * port.  Ports may be associated with multiple `chan`s.
  */
-pub enum Port<T: Owned> {
+pub enum Port<T> {
     Port_(@PortPtr<T>)
 }
 
@@ -84,7 +84,7 @@ pub enum Port<T: Owned> {
  * data will be silently dropped.  Channels may be duplicated and
  * themselves transmitted over other channels.
  */
-pub enum Chan<T: Owned> {
+pub enum Chan<T> {
     Chan_(port_id)
 }
 
@@ -120,7 +120,7 @@ pub fn listen<T: Owned, U>(f: fn(Chan<T>) -> U) -> U {
     f(po.chan())
 }
 
-struct PortPtr<T:Owned> {
+struct PortPtr<T> {
   po: *rust_port,
   drop {
     unsafe {
@@ -238,7 +238,7 @@ fn peek_chan<T: Owned>(ch: Chan<T>) -> bool {
 }
 
 /// Receive on a raw port pointer
-fn recv_<T: Owned>(p: *rust_port) -> T {
+fn recv_<T>(p: *rust_port) -> T {
     unsafe {
         let yield = 0;
         let yieldp = ptr::addr_of(&yield);