parser: Note intent to switch to a Pratt parser

libconlang/src/parser.rs

@@ -337,7 +337,7 @@ const fn delim<'t, T>(
 }
 
 /// Parses constructions of the form `(f sep ~until)*`
-    ///
+///
 /// where `~until` is a negative lookahead assertion
 const fn sep<'t, T>(
     f: impl Fn(&mut Parser<'t>) -> PResult<T>,
@@ -359,7 +359,7 @@ const fn sep<'t, T>(
 }
 
 /// Parses constructions of the form `(f ~until)*`
-    ///
+///
 /// where `~until` is a negative lookahead assertion
 #[allow(dead_code)]
 const fn rep<'t, T>(
@@ -897,6 +897,7 @@ impl<'t> Parser<'t> {
         };
         Ok(Assign { head, op, tail: self.expr_from(Self::exprkind_assign)?.into() }.into())
     }
+    // TODO: use a pratt parser for binary expressions, to simplify this
     binary! {
         exprkind_compare {exprkind_range, compare_op}
         exprkind_range {exprkind_logic, range_op}