chore: type CompilerFamilyLookupCache to preempt clippy::type_complexity

Author: ErichDonGubler

src/lib.rs

@@ -254,7 +254,7 @@ use command_helpers::*;
 
 mod tool;
 pub use tool::Tool;
-use tool::ToolFamily;
+use tool::{CompilerFamilyLookupCache, ToolFamily};
 
 mod tempfile;
 
@@ -277,7 +277,7 @@ struct BuildCache {
     env_cache: RwLock<HashMap<Box<str>, Env>>,
     apple_sdk_root_cache: RwLock<HashMap<Box<str>, Arc<OsStr>>>,
     apple_versions_cache: RwLock<HashMap<Box<str>, Arc<str>>>,
-    cached_compiler_family: RwLock<HashMap<Box<Path>, ToolFamily>>,
+    cached_compiler_family: RwLock<CompilerFamilyLookupCache>,
     known_flag_support_status_cache: RwLock<HashMap<CompilerFlag, bool>>,
     target_info_parser: target::TargetInfoParser,
 }

src/tool.rs

@@ -16,6 +16,8 @@ use crate::{
     Error, ErrorKind, OutputKind,
 };
 
+pub(crate) type CompilerFamilyLookupCache = HashMap<Box<Path>, ToolFamily>;
+
 /// Configuration used to represent an invocation of a C compiler.
 ///
 /// This can be used to figure out what compiler is in use, what the arguments
@@ -40,7 +42,7 @@ pub struct Tool {
 impl Tool {
     pub(crate) fn new(
         path: PathBuf,
-        cached_compiler_family: &RwLock<HashMap<Box<Path>, ToolFamily>>,
+        cached_compiler_family: &RwLock<CompilerFamilyLookupCache>,
         cargo_output: &CargoOutput,
         out_dir: Option<&Path>,
     ) -> Self {
@@ -57,7 +59,7 @@ impl Tool {
     pub(crate) fn with_args(
         path: PathBuf,
         args: Vec<String>,
-        cached_compiler_family: &RwLock<HashMap<Box<Path>, ToolFamily>>,
+        cached_compiler_family: &RwLock<CompilerFamilyLookupCache>,
         cargo_output: &CargoOutput,
         out_dir: Option<&Path>,
     ) -> Self {
@@ -90,7 +92,7 @@ impl Tool {
         path: PathBuf,
         args: Vec<String>,
         cuda: bool,
-        cached_compiler_family: &RwLock<HashMap<Box<Path>, ToolFamily>>,
+        cached_compiler_family: &RwLock<CompilerFamilyLookupCache>,
         cargo_output: &CargoOutput,
         out_dir: Option<&Path>,
     ) -> Self {