in src/x25519.rs [272:282]
fn serde_bincode_static_secret_roundtrip() {
use bincode;
let static_secret = StaticSecret(clamp_scalar([0x24; 32]));
let encoded = bincode::serialize(&static_secret).unwrap();
let decoded: StaticSecret = bincode::deserialize(&encoded).unwrap();
assert_eq!(encoded.len(), 32);
assert_eq!(decoded.to_bytes(), static_secret.to_bytes());
}