[nanoserde] Add nanoserde serialization option

Cargo.toml

@@ -14,6 +14,7 @@ readme = "README.md"
 borsh = { version = "1.5.0", default-features = false, features = ["derive"], optional = true }
 serde = { version = "1.0", default-features = false, features = ["derive"], optional = true }
 miniserde = { version = "0.1", optional = true }
+nanoserde = { version = "0.1", optional = true }
 
 [dev-dependencies]
 serde_json = "1.0"

src/lib.rs

@@ -99,6 +99,10 @@ use serde::{Deserialize, Serialize};
 extern crate borsh;
 #[cfg(feature = "miniserde")]
 extern crate miniserde;
+#[cfg(feature = "nanoserde")]
+extern crate nanoserde;
+#[cfg(feature = "nanoserde")]
+use nanoserde::{DeBin, DeJson, DeRon, SerBin, SerJson, SerRon};
 
 #[cfg(not(feature = "std"))]
 #[macro_use]
@@ -230,6 +234,10 @@ static FALSE: bool = false;
     feature = "miniserde",
     derive(miniserde::Deserialize, miniserde::Serialize)
 )]
+#[cfg_attr(
+    feature = "nanoserde",
+    derive(DeBin, DeJson, DeRon, SerBin, SerJson, SerRon)
+)]
 pub struct BitVec<B = u32> {
     /// Internal representation of the bit vector
     storage: Vec<B>,
@@ -2669,6 +2677,23 @@ mod tests {
         assert_eq!(bit_vec, unserialized);
     }
 
+    #[cfg(feature = "nanoserde")]
+    #[test]
+    fn test_nanoserde_json_serialization() {
+        use nanoserde::{DeJson, SerJson};
+
+        let bit_vec: BitVec = BitVec::new();
+        let serialized = bit_vec.serialize_json();
+        let unserialized: BitVec = BitVec::deserialize_json(&serialized[..]).unwrap();
+        assert_eq!(bit_vec, unserialized);
+
+        let bools = vec![true, false, true, true];
+        let bit_vec: BitVec = bools.iter().map(|n| *n).collect();
+        let serialized = bit_vec.serialize_json();
+        let unserialized = BitVec::deserialize_json(&serialized[..]).unwrap();
+        assert_eq!(bit_vec, unserialized);
+    }
+
     #[cfg(feature = "borsh")]
     #[test]
     fn test_borsh_serialization() {