Reordered the methods in std::Option and std::Result

Cleaned up the source in a few places

Renamed `map_move` to `map`, removed other `map` methods

Added `as_ref` and `as_mut` adapters to `Result`

Added `fmt::Default` impl

src/librustc/middle/ty.rs

@@ -4560,14 +4560,14 @@ pub fn count_traits_and_supertraits(tcx: ctxt,
 }
 
 pub fn get_tydesc_ty(tcx: ctxt) -> Result<t, ~str> {
-    do tcx.lang_items.require(TyDescStructLangItem).map_move |tydesc_lang_item| {
+    do tcx.lang_items.require(TyDescStructLangItem).map |tydesc_lang_item| {
         tcx.intrinsic_defs.find_copy(&tydesc_lang_item)
             .expect("Failed to resolve TyDesc")
     }
 }
 
 pub fn get_opaque_ty(tcx: ctxt) -> Result<t, ~str> {
-    do tcx.lang_items.require(OpaqueStructLangItem).map_move |opaque_lang_item| {
+    do tcx.lang_items.require(OpaqueStructLangItem).map |opaque_lang_item| {
         tcx.intrinsic_defs.find_copy(&opaque_lang_item)
             .expect("Failed to resolve Opaque")
     }

src/librustuv/uvio.rs

@@ -2464,7 +2464,7 @@ fn test_timer_sleep_simple() {
         unsafe {
             let io = local_io();
             let timer = io.timer_init();
-            do timer.map_move |mut t| { t.sleep(1) };
+            do timer.map |mut t| { t.sleep(1) };
         }
     }
 }