Remove the std_misc feature flag

src/json/ser.rs

@@ -1,4 +1,3 @@
-use std::{f32, f64};
 use std::io;
 use std::num::{Float, FpCategory};
 use std::string::FromUtf8Error;
@@ -396,7 +395,14 @@ fn fmt_f32_or_null<W>(wr: &mut W, value: f32) -> io::Result<()>
 {
  match value.classify() {
  FpCategory::Nan | FpCategory::Infinite => wr.write_all(b"null"),
- _ => wr.write_all(f32::to_str_digits(value, 6).as_bytes()),
+ _ => {
+ let s = value.to_string();
+ try!(wr.write_all(s.as_bytes()));
+ if !s.contains('.') {
+ try!(wr.write_all(b".0"))
+ }
+ Ok(())
+ }
  }
 }
 
@@ -405,7 +411,14 @@ fn fmt_f64_or_null<W>(wr: &mut W, value: f64) -> io::Result<()>
 {
  match value.classify() {
  FpCategory::Nan | FpCategory::Infinite => wr.write_all(b"null"),
- _ => wr.write_all(f64::to_str_digits(value, 6).as_bytes()),
+ _ => {
+ let s = value.to_string();
+ try!(wr.write_all(s.as_bytes()));
+ if !s.contains('.') {
+ try!(wr.write_all(b".0"))
+ }
+ Ok(())
+ }
  }
 }
 

src/lib.rs

@@ -6,7 +6,7 @@
 //! leaving serde to perform roughly the same speed as a hand written serializer for a specific
 //! type.
 
-#![feature(collections, core, std_misc)]
+#![feature(collections, core)]
 
 
 pub use ser::{Serialize, Serializer};

src/ser/impls.rs

@@ -1,4 +1,3 @@
-use std::collections::hash_state::HashState;
 use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet, VecMap};
 use std::hash::Hash;
 use std::path;
@@ -151,9 +150,8 @@ impl<T> Serialize for BTreeSet<T>
  }
 }
 
-impl<T, H> Serialize for HashSet<T, H>
+impl<T> Serialize for HashSet<T>
  where T: Serialize + Eq + Hash,
- H: HashState,
 {
  #[inline]
  fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
@@ -400,10 +398,9 @@ impl<K, V> Serialize for BTreeMap<K, V>
  }
 }
 
-impl<K, V, H> Serialize for HashMap<K, V, H>
+impl<K, V> Serialize for HashMap<K, V>
  where K: Serialize + Eq + Hash,
  V: Serialize,
- H: HashState,
 {
  #[inline]
  fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>

tests/test_json.rs

@@ -101,7 +101,7 @@ fn test_write_i64() {
 #[test]
 fn test_write_f64() {
  let tests = &[
- (3.0, "3"),
+ (3.0, "3.0"),
  (3.1, "3.1"),
  (-1.5, "-1.5"),
  (0.5, "0.5"),