added smallmap feature

Cargo.toml

@@ -3,19 +3,17 @@ name = "refset"
 description = "A non-owning HashSet"
 repository = "https://git.flanchan.moe/flanchan/refset"
 keywords = ["hash", "set", "reference"]
-version = "0.1.1"
+version = "0.2.0"
 authors = ["Avril <flanchan@cumallover.me>"]
 edition = "2018"
 license= "MIT"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[features]
-
 [dependencies]
 sha2 = "0.9"
 serde = {version = "1.0", optional = true, features=["derive"]}
-smallmap = {version = "1.1", optional = true} # serde here is kinda broken for now
+smallmap = {version = "1.1.6", optional = true, features= ["serde"]}
 
 [dev-dependencies]
 serde_json = "1.0"

src/small.rs

@@ -11,6 +11,25 @@ use smallmap::{Collapse, Map};
 #[cfg_attr(feature="serde", derive(serde::Serialize, serde::Deserialize))] 
 pub struct SmallRefMap<T: ?Sized>(Map<HashType, ()>, PhantomData<Map<*const T, ()>>);
 
+#[cfg(test)]
+#[cfg(feature="serde")] 
+mod serde_tests
+{
+    use super::*;
+    #[test]
+    fn ser_de()
+    {
+	let mut rmap = SmallRefMap::new();
+	rmap.insert("hello");
+
+	let string = serde_json::to_string(&rmap).expect("Ser failed");
+	println!("String {:?}", string);
+	let rmap2 = serde_json::from_str(&string[..]).expect("De failed)");
+	assert_eq!(rmap, rmap2);
+    }
+}
+
+
 unsafe impl<T: ?Sized + Send> Send for SmallRefMap<T>{}
 unsafe impl<T: ?Sized + Send + Sync> Sync for SmallRefMap<T>{}