Derive `Eq` for `StateDsct`.

src/hydrabadger/mod.rs

@@ -3,7 +3,7 @@ mod hydrabadger;
 mod state;
 
 use self::handler::Handler;
-use self::state::{State, StateDsct};
+use self::state::State;
 use bincode;
 use hbbft::{
     dynamic_honey_badger::Error as DhbError,
@@ -14,6 +14,7 @@ use std;
 use {Input, Message, Uid};
 
 pub use self::hydrabadger::{Config, Hydrabadger};
+pub use self::state::StateDsct;
 
 // Number of times to attempt wire message re-send.
 pub const WIRE_MESSAGE_RETRY_MAX: usize = 10;

src/hydrabadger/state.rs

@@ -19,7 +19,7 @@ use rand;
 use {Contribution, Input, Message, NetworkNodeInfo, NetworkState, Step, Uid};
 
 /// A `State` discriminant.
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum StateDsct {
     Disconnected,
     DeterminingNetworkState,

src/lib.rs

@@ -72,6 +72,7 @@ pub use hydrabadger::{Config, Hydrabadger};
 // TODO: Create a separate, library-wide error type.
 pub use hydrabadger::Error;
 pub use hbbft::dynamic_honey_badger::Batch;
+pub use hydrabadger::StateDsct;
 
 /// Transmit half of the wire message channel.
 // TODO: Use a bounded tx/rx (find a sensible upper bound):