chore: remove outdated ref patterns

crates/artifacts/solc/src/bytecode.rs

@@ -303,7 +303,7 @@ impl BytecodeObject {
     ///
     /// See also: <https://docs.soliditylang.org/en/develop/using-the-compiler.html#library-linking>
     pub fn link_fully_qualified(&mut self, name: &str, addr: Address) -> &mut Self {
-        if let Self::Unlinked(ref mut unlinked) = self {
+        if let Self::Unlinked(unlinked) = self {
             let place_holder = utils::library_hash_placeholder(name);
             // the address as hex without prefix
             let hex_addr = hex::encode(addr);

crates/artifacts/solc/src/contract.rs

@@ -48,7 +48,7 @@ pub struct Contract {
 
 impl<'a> From<&'a Contract> for CompactContractBytecodeCow<'a> {
     fn from(artifact: &'a Contract) -> Self {
-        let (bytecode, deployed_bytecode) = if let Some(ref evm) = artifact.evm {
+        let (bytecode, deployed_bytecode) = if let Some(evm) = &artifact.evm {
             (
                 evm.bytecode.clone().map(Into::into).map(Cow::Owned),
                 evm.deployed_bytecode.clone().map(Into::into).map(Cow::Owned),
@@ -523,7 +523,7 @@ impl<'a> CompactContractRef<'a> {
 
 impl<'a> From<&'a Contract> for CompactContractRef<'a> {
     fn from(c: &'a Contract) -> Self {
-        let (bin, bin_runtime) = if let Some(ref evm) = c.evm {
+        let (bin, bin_runtime) = if let Some(evm) = &c.evm {
             (
                 evm.bytecode.as_ref().map(|c| &c.object),
                 evm.deployed_bytecode

crates/artifacts/solc/src/lib.rs

@@ -367,7 +367,7 @@ impl Settings {
             }
         }
 
-        if let Some(ref mut evm_version) = self.evm_version {
+        if let Some(evm_version) = self.evm_version {
             self.evm_version = evm_version.normalize_version_solc(version);
         }
 

crates/compilers/src/compile/output/info.rs

@@ -44,11 +44,10 @@ impl ContractInfo {
 
 impl fmt::Display for ContractInfo {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        if let Some(ref path) = self.path {
-            write!(f, "{path}:{}", self.name)
-        } else {
-            write!(f, "{}", self.name)
+        if let Some(path) = &self.path {
+            write!(f, "{path}:")?;
         }
+        f.write_str(&self.name)
     }
 }
 

crates/compilers/src/report/compiler.rs

@@ -56,14 +56,14 @@ impl SolcCompilerIoReporter {
 
     /// Callback to write the input to disk if target is set
     pub fn log_compiler_input(&self, input: &SolcInput, version: &Version) {
-        if let Some(ref target) = self.target {
+        if let Some(target) = &self.target {
             target.write_input(input, version)
         }
     }
 
     /// Callback to write the input to disk if target is set
     pub fn log_compiler_output(&self, output: &CompilerOutput, version: &Version) {
-        if let Some(ref target) = self.target {
+        if let Some(target) = &self.target {
             target.write_output(output, version)
         }
     }

crates/compilers/src/resolver/mod.rs

@@ -1096,7 +1096,7 @@ impl<D: ParsedSource> fmt::Display for DisplayNode<'_, D> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let path = utils::source_name(&self.node.path, self.root);
         write!(f, "{}", path.display())?;
-        if let Some(ref v) = self.node.data.version_req() {
+        if let Some(v) = self.node.data.version_req() {
             write!(f, " {v}")?;
         }
         Ok(())

crates/compilers/src/resolver/parse.rs

@@ -34,7 +34,7 @@ impl SolData {
         &self,
         f: &mut W,
     ) -> std::result::Result<(), std::fmt::Error> {
-        if let Some(ref version) = self.version {
+        if let Some(version) = &self.version {
             write!(f, "({})", version.data)?;
         }
         Ok(())