no expects or unimpl

src/error.rs

@@ -1,10 +1,20 @@
 #[derive(Debug)]
 pub enum Error {
-    Compile(shaderc::Error),
+    Compile(CompileError),
     Layout(ConvertError),
+    LoadingData(String),
+    FileWatch(notify::Error),
 }
 
 #[derive(Debug)]
 pub enum ConvertError {
     Unimplemented,
 }
+
+#[derive(Debug)]
+pub enum CompileError {
+    Compile(shaderc::Error),
+    Open(std::io::Error),
+    InvalidPath,
+    CreateCompiler,
+}