refactor: extract result module

src/fs/mod.rs

@@ -1,35 +1,16 @@
 use std::path::PathBuf;
 
-use derive_more::From;
-
 mod real;
+mod result;
 mod temp;
-
 mod dir_item;
+
 pub use dir_item::DirItem;
 pub use dir_item::DirItemIterator;
 use real::FileSystem;
+pub use result::{Result, Error};
 use temp::TempFileSystem;
 
-#[derive(Debug, From, derive_more::Display)]
-pub enum Error {
-    Io(std::io::Error),
-
-    #[display("Path access attempted outside of base ({base:?}): {path:?}")]
-    PathTraversal {
-        base: PathBuf,
-        path: PathBuf,
-    },
-
-    #[display("Path must be a directory: {path:?}")]
-    NotADirectory {
-        path: PathBuf,
-    },
-}
-impl std::error::Error for Error {}
-
-pub type Result<T> = core::result::Result<T, Error>;
-
 pub const fn new(base: PathBuf) -> FileSystem {
     real::new(base)
 }

src/fs/result.rs

@@ -0,0 +1,23 @@
+//
+use std::path::PathBuf;
+
+use derive_more::From;
+
+#[derive(Debug, From, derive_more::Display)]
+pub enum Error {
+    Io(std::io::Error),
+
+    #[display("Path access attempted outside of base ({base:?}): {path:?}")]
+    PathTraversal {
+        base: PathBuf,
+        path: PathBuf,
+    },
+
+    #[display("Path must be a directory: {path:?}")]
+    NotADirectory {
+        path: PathBuf,
+    },
+}
+impl std::error::Error for Error {}
+
+pub type Result<T> = core::result::Result<T, Error>;