diff --git a/src/fs/like.rs b/src/fs/like.rs
index 33e859d..f0afdcf 100644
--- a/src/fs/like.rs
+++ b/src/fs/like.rs
@@ -4,9 +4,11 @@ use std::path::{Path, PathBuf};
 
 pub trait FileSystemLike {
     fn base(&self) -> &Path;
-    fn path_of(&self, path: PathBuf) -> Result<PathBuf>;
-    fn file_write(&self, path: &Path, contents: &str) -> Result<()>;
+
     fn file_read_to_string(&self, path: &Path) -> Result<String>;
+    fn file_write(&self, path: &Path, contents: &str) -> Result<()>;
+
     fn path_exists(&self, path: &Path) -> Result<bool>;
     fn path_is_file(&self, path: &Path) -> Result<bool>;
+    fn path_of(&self, path: PathBuf) -> Result<PathBuf>;
 }
diff --git a/src/fs/real.rs b/src/fs/real.rs
index cece7a9..91d0741 100644
--- a/src/fs/real.rs
+++ b/src/fs/real.rs
@@ -12,10 +12,11 @@ impl super::FileSystemLike for RealFileSystem {
     fn base(&self) -> &Path {
         &self.base
     }
-    fn path_of(&self, path: PathBuf) -> super::Result<PathBuf> {
-        let path_of = self.base.as_path().join(path);
-        self.validate(&path_of)?;
-        Ok(path_of)
+
+
+    fn file_read_to_string(&self, path: &Path) -> super::Result<String> {
+        self.validate(path)?;
+        std::fs::read_to_string(path).map_err(Into::into)
     }
 
     fn file_write(&self, path: &Path, contents: &str) -> super::Result<()> {
@@ -23,9 +24,9 @@ impl super::FileSystemLike for RealFileSystem {
         std::fs::write(path, contents).map_err(Into::into)
     }
 
-    fn file_read_to_string(&self, path: &Path) -> super::Result<String> {
+    fn path_exists(&self, path: &Path) -> super::Result<bool> {
         self.validate(path)?;
-        std::fs::read_to_string(path).map_err(Into::into)
+        Ok(path.exists())
     }
 
     fn path_is_file(&self, path: &Path) -> super::Result<bool> {
@@ -33,14 +34,15 @@ impl super::FileSystemLike for RealFileSystem {
         Ok(path.is_file())
     }
 
-    fn path_exists(&self, path: &Path) -> super::Result<bool> {
-        self.validate(path)?;
-        Ok(path.exists())
+    fn path_of(&self, path: PathBuf) -> super::Result<PathBuf> {
+        let path_of = self.base.as_path().join(path);
+        self.validate(&path_of)?;
+        Ok(path_of)
     }
 }
 
 impl RealFileSystem {
-    fn validate(&self, path: &std::path::Path) -> super::Result<()> {
+    fn validate(&self, path: &Path) -> super::Result<()> {
         if !path.starts_with(&self.base) {
             return Err(super::Error::PathTraversal {
                 base: self.base.clone(),