Cleanup for GeneralDepolarizingNoise

Author: ciaranra

Cargo.lock

@@ -40,7 +40,6 @@ bitflags = "2"
 syn = { version = "2", features = ["full"] }
 quote = "1"
 dyn-clone = "1"
-once_cell = "1"
 regex = "1"
 
 pecos-derive = { version = "0.1.1", path = "crates/pecos-derive"}

Cargo.toml

@@ -26,7 +26,6 @@ bytemuck.workspace = true
 bitflags.workspace = true
 dyn-clone.workspace = true
 libloading.workspace = true
-once_cell.workspace = true
 regex.workspace = true
 
 pecos-core.workspace = true

crates/pecos-engines/Cargo.toml

@@ -1,10 +1,9 @@
 use pecos_engines::byte_message::ByteMessage;
 use pecos_engines::engines::quantum::StateVecEngine;
-use pecos_engines::errors::QueueError;
 use pecos_engines::{Engine, GeneralDepolarizingNoise};
 use pecos_engines::{EngineSystem, QuantumSystem};
 
-fn main() -> () {
+fn main() {
     let circ = ByteMessage::quantum_operations_builder()
         .add_h(&[0])
         .add_cx(&[0], &[1])

crates/pecos-engines/examples/run_noisy_circ.rs

@@ -173,12 +173,14 @@ impl QuantumGate {
         self
     }
 
-    #[must_use] pub fn set_noisy(mut self) -> Self {
+    #[must_use]
+    pub fn set_noisy(mut self) -> Self {
         self.noiseless = false;
         self
     }
 
-    #[must_use] pub fn is_noiseless(&self) -> bool {
+    #[must_use]
+    pub fn is_noiseless(&self) -> bool {
         self.noiseless
     }
 }

crates/pecos-engines/src/byte_message/gate_type.rs

@@ -1,8 +1,8 @@
 use crate::byte_message::builder::ByteMessageBuilder;
 use crate::byte_message::gate_type::{GateType, QuantumGate};
 use crate::byte_message::protocol::{
-    calc_padding, BatchHeader, MeasurementHeader, MeasurementResultHeader, MessageHeader,
-    MessageType, QuantumGateHeader,
+    BatchHeader, MeasurementHeader, MeasurementResultHeader, MessageHeader, MessageType,
+    QuantumGateHeader, calc_padding,
 };
 use crate::errors::QueueError;
 use bytemuck::from_bytes;
@@ -802,7 +802,7 @@ impl ByteMessage {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::engines::{quantum::StateVecEngine, Engine};
+    use crate::engines::{Engine, quantum::StateVecEngine};
 
     #[test]
     fn test_bytemap_builder() {