very elegant extension API and parts of it used in std as POC

orchid-api/src/location.rs

@@ -2,26 +2,29 @@ use std::ops::Range;
 
 use orchid_api_derive::Coding;
 
-use crate::intern::{TStr, TStrv};
+use crate::interner::TStrv;
 
-#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding)]
+#[derive(Clone, Debug, Coding)]
 pub enum Location {
   None,
   /// Used in functions to denote the generated code that carries on the
   /// location of the call. Not allowed in the const tree.
   Inherit,
   Gen(CodeGenInfo),
-  Range(SourceRange),
+  /// Range and file
+  SourceRange(SourceRange),
+  /// Range only, file implied. Most notably used by parsers
+  Range(Range<u32>),
 }
 
-#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding)]
+#[derive(Clone, Debug, Coding)]
 pub struct SourceRange {
   pub path: TStrv,
   pub range: Range<u32>,
 }
 
-#[derive(Clone, Debug, Hash, PartialEq, Eq, Coding)]
+#[derive(Clone, Debug, Coding)]
 pub struct CodeGenInfo {
-  pub generator: TStr,
-  pub details: TStr,
+  pub generator: TStrv,
+  pub details: String,
 }