Merge pull request #6676 from roc-lang/ok-err

Allow the names `Ok` and `Err` as type aliases

crates/compiler/load_internal/src/file.rs

@@ -3395,6 +3395,7 @@ fn finish(
 
     LoadedModule {
         module_id: state.root_id,
+        filename: state.root_path,
         interns,
         solved,
         can_problems: state.module_cache.can_problems,

crates/compiler/load_internal/src/module.rs

@@ -30,6 +30,7 @@ use std::time::{Duration, Instant};
 #[derive(Debug)]
 pub struct LoadedModule {
     pub module_id: ModuleId,
+    pub filename: PathBuf,
     pub interns: Interns,
     pub solved: Solved<Subs>,
     pub can_problems: MutMap<ModuleId, Vec<roc_problem::can::Problem>>,
@@ -54,6 +55,13 @@ pub struct LoadedModule {
 }
 
 impl LoadedModule {
+    /// Infer the filename for the given ModuleId, based on this root module's filename.
+    pub fn filename(&self, module_id: ModuleId) -> PathBuf {
+        let module_name = self.interns.module_name(module_id);
+
+        module_name.filename(&self.filename)
+    }
+
     pub fn total_problems(&self) -> usize {
         let mut total = 0;
 

crates/compiler/load_internal/tests/test_load.rs

@@ -989,8 +989,8 @@ fn issue_2863_module_type_does_not_exist() {
                         Did you mean one of these?
 
                             Decoding
-                            Dict
                             Result
+                            Dict
                             DecodeError
                         "
                       )