refactor typing and compilation

src/typing/error.rs

@@ -4,10 +4,10 @@ use super::UnaryOperator;
 
 #[derive(Debug)]
 pub struct TypeError {
-    file: Option<std::path::PathBuf>,
-    module: ModulePath,
-    function: Option<String>,
-    kind: TypeErrorKind,
+    pub file: Option<std::path::PathBuf>,
+    pub module: ModulePath,
+    pub function: Option<String>,
+    pub kind: TypeErrorKind,
 }
 
 impl std::fmt::Display for TypeError {
@@ -62,7 +62,7 @@ impl TypeErrorBuilder {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub enum TypeErrorKind {
     InvalidBinaryOperator {
         operator: BinaryOperator,