Add .write_str() to std::rt::io, and port to rt::io for libstd Repr and ToStr

src/libstd/bool.rs

@@ -19,7 +19,6 @@ A quick summary:
 Implementations of the following traits:
 
 * `FromStr`
-* `ToStr`
 * `Not`
 * `Ord`
 * `TotalOrd`
@@ -39,7 +38,6 @@ Finally, some inquries into the nature of truth: `is_true` and `is_false`.
 
 use option::{None, Option, Some};
 use from_str::FromStr;
-use to_str::ToStr;
 
 #[cfg(not(test))] use cmp::{Eq, Ord, TotalOrd, Ordering};
 #[cfg(not(test))] use ops::Not;
@@ -202,28 +200,6 @@ impl FromStr for bool {
     }
 }
 
-/**
-* Convert a `bool` to a `str`.
-*
-* # Examples
-*
-* ~~~ {.rust}
-* rusti> true.to_str()
-* "true"
-* ~~~
-*
-* ~~~ {.rust}
-* rusti> false.to_str()
-* "false"
-* ~~~
-*/
-impl ToStr for bool {
-    #[inline]
-    fn to_str(&self) -> ~str {
-        if *self { ~"true" } else { ~"false" }
-    }
-}
-
 /**
 * Iterates over all truth values, passing them to the given block.
 *

src/libstd/logging.rs

@@ -56,15 +56,19 @@ pub fn console_off() {
 pub fn log_type<T>(level: u32, object: &T) {
     use cast;
     use container::Container;
-    use io;
+    use rt::io::Decorator;
+    use rt::io::mem::MemWriter;
     use libc;
     use repr;
     use rt;
     use str;
+    use util;
     use vec;
 
-    let bytes = do io::with_bytes_writer |writer| {
-        repr::write_repr(writer, object);
+    let bytes = {
+        let wr = @mut MemWriter::new();
+        repr::write_repr(wr, object);
+        util::replace(wr, MemWriter::new()).inner()
     };
 
     match rt::context() {

src/libstd/num/int_macros.rs

@@ -19,6 +19,7 @@ macro_rules! int_module (($T:ty, $bits:expr) => (mod generated {
 use num::{ToStrRadix, FromStrRadix};
 use num::{Zero, One, strconv};
 use prelude::*;
+use rt::io::StringWriter;
 use str;
 
 pub use cmp::{min, max};
@@ -557,6 +558,13 @@ impl ToStr for $T {
     fn to_str(&self) -> ~str {
         to_str(*self)
     }
+
+    #[inline]
+    fn to_str_writer<W: StringWriter>(&self, w: &mut W) {
+        do strconv::int_to_str_bytes_common(*self, 10u, strconv::SignNeg) |c| {
+           w.write_char(c as char)
+        }
+    }
 }
 
 impl ToStrRadix for $T {

src/libstd/num/uint_macros.rs

@@ -20,6 +20,7 @@ use num::BitCount;
 use num::{ToStrRadix, FromStrRadix};
 use num::{Zero, One, strconv};
 use prelude::*;
+use rt::io::StringWriter;
 use str;
 
 pub use cmp::{min, max};
@@ -411,6 +412,13 @@ impl ToStr for $T {
     fn to_str(&self) -> ~str {
         to_str(*self)
     }
+
+    #[inline]
+    fn to_str_writer<W: StringWriter>(&self, w: &mut W) {
+        do strconv::int_to_str_bytes_common(*self, 10u, strconv::SignNeg) |c| {
+           w.write_char(c as char)
+        }
+    }
 }
 
 impl ToStrRadix for $T {