Address' cargo clippy' errors following the update to Rust 1.65

src/builder.rs

@@ -464,9 +464,11 @@ impl Builder {
             .max()
             .cloned()
             .unwrap();
-        (num_actions < MIN_ACTIONS)
-            .then_some(MIN_ACTIONS - num_actions)
-            .unwrap_or(0)
+        if num_actions < MIN_ACTIONS {
+            MIN_ACTIONS - num_actions
+        } else {
+            0
+        }
     }
 
     /// Builds a bundle containing the given spent notes and recipients.

src/circuit.rs

@@ -1333,9 +1333,9 @@ mod tests {
             w.write_all(&<[u8; 32]>::from(instance.rk.clone()))?;
             w.write_all(&instance.cmx.to_bytes())?;
             w.write_all(&[
-                if instance.enable_spend { 1 } else { 0 },
-                if instance.enable_output { 1 } else { 0 },
-                if instance.enable_zsa { 1 } else { 0 },
+                u8::from(instance.enable_spend),
+                u8::from(instance.enable_output),
+                u8::from(instance.enable_zsa),
             ])?;
 
             w.write_all(proof.as_ref())?;

src/issuance.rs

@@ -181,7 +181,7 @@ impl IssueAction {
 
     /// Serialize `finalize` flag to a byte
     pub fn flags(&self) -> u8 {
-        self.finalize.then_some(0b0000_0001).unwrap_or(0b0000_0000)
+        u8::from(self.finalize)
     }
 }
 

src/supply_info.rs

@@ -6,7 +6,7 @@ use crate::{issuance::Error, note::AssetBase, value::ValueSum};
 
 /// Represents the amount of an asset and its finalization status.
 #[derive(Debug, Clone, Copy)]
-#[cfg_attr(test, derive(PartialEq))]
+#[cfg_attr(test, derive(PartialEq, Eq))]
 pub struct AssetSupply {
     /// The amount of the asset.
     pub amount: ValueSum,

tests/zsa.rs

@@ -77,12 +77,12 @@ fn prepare_keys() -> Keychain {
 
 fn sign_issue_bundle(
     unauthorized: IssueBundle<Unauthorized>,
-    mut rng: OsRng,
+    rng: OsRng,
     isk: &IssuanceAuthorizingKey,
 ) -> IssueBundle<Signed> {
     let sighash = unauthorized.commitment().into();
     let proven = unauthorized.prepare(sighash);
-    proven.sign(&mut rng, isk).unwrap()
+    proven.sign(rng, isk).unwrap()
 }
 
 fn build_and_sign_bundle(
@@ -95,7 +95,7 @@ fn build_and_sign_bundle(
     let sighash = unauthorized.commitment().into();
     let proven = unauthorized.create_proof(pk, &mut rng).unwrap();
     proven
-        .apply_signatures(&mut rng, sighash, &[SpendAuthorizingKey::from(sk)])
+        .apply_signatures(rng, sighash, &[SpendAuthorizingKey::from(sk)])
         .unwrap()
 }
 
@@ -203,7 +203,7 @@ fn create_native_note(keys: &Keychain) -> Note {
         let unauthorized = builder.build(&mut rng).unwrap();
         let sighash = unauthorized.commitment().into();
         let proven = unauthorized.create_proof(keys.pk(), &mut rng).unwrap();
-        proven.apply_signatures(&mut rng, sighash, &[]).unwrap()
+        proven.apply_signatures(rng, sighash, &[]).unwrap()
     };
     let ivk = keys.fvk().to_ivk(Scope::External);
     let (native_note, _, _) = shielding_bundle