diff --git a/src/searcher.rs b/src/searcher.rs
index 3363a8a..8278a9d 100644
--- a/src/searcher.rs
+++ b/src/searcher.rs
@@ -77,7 +77,7 @@ impl UserData for StaticSearcher {
 ///
 /// Facilitates Lua module reloading, and module reloading of any other programming
 /// language whose source code can be compiled to Lua.
-struct PolySearcher<P>
+struct PathSearcherPoly<P>
 where
     P: 'static + AsRef<Path> + Send,
 {
@@ -85,27 +85,27 @@ where
     globals: RegistryKey,
 
     /// Function to read file content as Lua source code.
-    convert: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
+    transform: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
 }
 
-impl<P> PolySearcher<P>
+impl<P> PathSearcherPoly<P>
 where
     P: 'static + AsRef<Path> + Send,
 {
     fn new(
         modules: HashMap<String, P>,
         globals: RegistryKey,
-        convert: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
+        transform: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
     ) -> Self {
         Self {
             modules,
             globals,
-            convert,
+            transform,
         }
     }
 }
 
-impl<P> UserData for PolySearcher<P>
+impl<P> UserData for PathSearcherPoly<P>
 where
     P: 'static + AsRef<Path> + Send,
 {
@@ -122,7 +122,7 @@ where
                         path.to_path_buf()
                     };
 
-                    let content = (this.convert)(path)?;
+                    let content = (this.transform)(path)?;
 
                     Ok(Value::Function(
                         lua_ctx
@@ -155,12 +155,12 @@ pub trait AddSearcher {
     where
         P: 'static + AsRef<Path> + Send;
 
-    /// Like `add_path_searcher`, but with user-provided closure for converting source
-    /// code to Lua.
-    fn add_poly_searcher<P>(
+    /// Like `add_path_searcher`, but with user-provided closure for transforming
+    /// source code to Lua.
+    fn add_path_searcher_poly<P>(
         &self,
         modules: HashMap<String, P>,
-        convert: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
+        transform: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
     ) -> Result<()>
     where
         P: 'static + AsRef<Path> + Send;
@@ -191,7 +191,7 @@ impl<'a> AddSearcher for Context<'a> {
     where
         P: 'static + AsRef<Path> + Send,
     {
-        let convert = Box::new(|path| {
+        let transform = Box::new(|path| {
             let mut content = String::new();
             let mut file = File::open(path)
                 .map_err(|e| LuaError::RuntimeError(format!("io error: {:#?}", e)))?;
@@ -199,13 +199,13 @@ impl<'a> AddSearcher for Context<'a> {
                 .map_err(|e| LuaError::RuntimeError(format!("io error: {:#?}", e)))?;
             Ok(content)
         });
-        self.add_poly_searcher(modules, convert)
+        self.add_path_searcher_poly(modules, transform)
     }
 
-    fn add_poly_searcher<P>(
+    fn add_path_searcher_poly<P>(
         &self,
         modules: HashMap<String, P>,
-        convert: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
+        transform: Box<dyn Fn(PathBuf) -> rlua::Result<String> + Send>,
     ) -> Result<()>
     where
         P: 'static + AsRef<Path> + Send,
@@ -213,7 +213,7 @@ impl<'a> AddSearcher for Context<'a> {
         let globals = self.globals();
         let searchers: Table = globals.get::<_, Table>("package")?.get("searchers")?;
         let registry_key = self.create_registry_value(globals)?;
-        let searcher = PolySearcher::new(modules, registry_key, convert);
+        let searcher = PathSearcherPoly::new(modules, registry_key, transform);
         searchers
             .set(searchers.len()? + 1, searcher)
             .map_err(|e| e.into())