Remove the extension traits for Readers/Writers

These methods are all excellent candidates for default methods, so there's no
need to require extra imports of various traits.

3 files changed, 12 insertions, 13 deletions

diff --git a/src/libextra/json.rs b/src/libextra/json.rs
index 0aab7b743ba..9f75d677136 100644
--- a/src/libextra/json.rs
+++ b/src/libextra/json.rs
@@ -22,7 +22,6 @@ use std::f64;
 use std::hashmap::HashMap;
 use std::rt::io;
 use std::rt::io::Decorator;
-use std::rt::io::extensions::ReaderUtil;
 use std::rt::io::mem::MemWriter;
 use std::num;
 use std::str;
@@ -843,7 +842,7 @@ impl<T : Iterator<char>> Parser<T> {
 }
 
 /// Decodes a json value from an `&mut io::Reader`
-pub fn from_reader(mut rdr: &mut io::Reader) -> Result<Json, Error> {
+pub fn from_reader(rdr: &mut io::Reader) -> Result<Json, Error> {
     let s = str::from_utf8(rdr.read_to_end());
     let mut parser = Parser(~s.iter());
     parser.parse()
diff --git a/src/libextra/terminfo/parser/compiled.rs b/src/libextra/terminfo/parser/compiled.rs
index 0020f432114..b530c1b6334 100644
--- a/src/libextra/terminfo/parser/compiled.rs
+++ b/src/libextra/terminfo/parser/compiled.rs
@@ -16,7 +16,6 @@
 use std::{vec, str};
 use std::hashmap::HashMap;
 use std::rt::io;
-use std::rt::io::extensions::{ReaderByteConversions, ReaderUtil};
 use super::super::TermInfo;
 
 // These are the orders ncurses uses in its compiled format (as of 5.9). Not sure if portable.
@@ -161,7 +160,7 @@ pub static stringnames: &'static[&'static str] = &'static[ "cbt", "_", "cr", "cs
     "box1"];
 
 /// Parse a compiled terminfo entry, using long capability names if `longnames` is true
-pub fn parse(mut file: &mut io::Reader,
+pub fn parse(file: &mut io::Reader,
              longnames: bool) -> Result<~TermInfo, ~str> {
     let bnames;
     let snames;
@@ -178,17 +177,17 @@ pub fn parse(mut file: &mut io::Reader,
     }
 
     // Check magic number
-    let magic = file.read_le_u16_();
+    let magic = file.read_le_u16();
     if (magic != 0x011A) {
         return Err(format!("invalid magic number: expected {:x} but found {:x}",
                            0x011A, magic as uint));
     }
 
-    let names_bytes          = file.read_le_i16_() as int;
-    let bools_bytes          = file.read_le_i16_() as int;
-    let numbers_count        = file.read_le_i16_() as int;
-    let string_offsets_count = file.read_le_i16_() as int;
-    let string_table_bytes   = file.read_le_i16_() as int;
+    let names_bytes          = file.read_le_i16() as int;
+    let bools_bytes          = file.read_le_i16() as int;
+    let numbers_count        = file.read_le_i16() as int;
+    let string_offsets_count = file.read_le_i16() as int;
+    let string_table_bytes   = file.read_le_i16() as int;
 
     assert!(names_bytes          > 0);
 
@@ -247,7 +246,7 @@ pub fn parse(mut file: &mut io::Reader,
     let mut numbers_map = HashMap::new();
     if numbers_count != 0 {
         for i in range(0, numbers_count) {
-            let n = file.read_le_u16_();
+            let n = file.read_le_u16();
             if n != 0xFFFF {
                 debug!("{}\\#{}", nnames[i], n);
                 numbers_map.insert(nnames[i].to_owned(), n);
@@ -262,7 +261,7 @@ pub fn parse(mut file: &mut io::Reader,
     if string_offsets_count != 0 {
         let mut string_offsets = vec::with_capacity(10);
         for _ in range(0, string_offsets_count) {
-            string_offsets.push(file.read_le_u16_());
+            string_offsets.push(file.read_le_u16());
         }
 
         debug!("offsets: {:?}", string_offsets);
diff --git a/src/libextra/workcache.rs b/src/libextra/workcache.rs
index bdc8b95ad41..507962c0b1a 100644
--- a/src/libextra/workcache.rs
+++ b/src/libextra/workcache.rs
@@ -20,6 +20,7 @@ use std::comm::{PortOne, oneshot};
 use std::{os, str, task};
 use std::rt::io;
 use std::rt::io::Writer;
+use std::rt::io::Reader;
 use std::rt::io::Decorator;
 use std::rt::io::mem::MemWriter;
 use std::rt::io::file::FileInfo;
@@ -481,7 +482,7 @@ impl<'self, T:Send +
 #[test]
 fn test() {
     use std::{os, run};
-    use std::rt::io::ReaderUtil;
+    use std::rt::io::Reader;
     use std::str::from_utf8_owned;
 
     // Create a path to a new file 'filename' in the directory in which