serialize non-struct None values

Author: toby

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "serde_bencode"
 description = "A Serde backed Bencode encoding/decoding library for Rust."
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Toby Padilla <[email protected]>"]
 repository = "https://github.com/toby/serde-bencode"
 license = "MIT"

README.md

@@ -8,9 +8,9 @@ Add the following to your `Cargo.toml`:
 
 ```toml
 [dependencies]
+serde_bencode = "0.1.3"
 serde = "0.8.22"
 serde_derive = "0.8.22"
-serde_bencode = "0.1.2"
 ```
 
 Serde works best with Rust nightly, it is highly recommended that you use

src/encoder.rs

@@ -179,7 +179,8 @@ impl Serializer for Encoder {
         value.serialize(self)
     }
     fn serialize_none(&mut self) -> Result<(), Self::Error> {
-        self.serialize_bytes("".as_bytes())
+        self.push("".as_bytes());
+        Ok(())
     }
     fn serialize_some<T: Serialize>(&mut self, value: T) -> Result<(), Self::Error> {
         value.serialize(self)

src/test.rs

@@ -321,6 +321,15 @@ fn serialize_some() {
     assert_eq!(String::from_utf8(r).unwrap(), "i1e");
 }
 
+#[test]
+fn serialize_none() {
+    let f: Option<Bencode> = None;
+    let mut ser = Encoder::new();
+    f.serialize(&mut ser).unwrap();
+    let r: Vec<u8> = ser.into();
+    assert_eq!(String::from_utf8(r).unwrap(), "");
+}
+
 #[test]
 fn serialize_tuple() {
     let f = (1,2,3,"one");