add a comment about what we can parse now

rust-lang · Aug 4, 2022 · 8c85c99 · 8c85c99
1 parent dcd70c0
commit 8c85c99
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs
@@ -763,6 +763,8 @@ impl<'a> Parser<'a> {
  let byte_pos = self.to_span_index(end);
  let start = InnerOffset(byte_pos.0 + 1);
  let field = self.argument(start);
+ // We can only parse `foo.bar` field access, any deeper nesting,
+ // or another type of expression, like method calls, are not supported
  if !self.consume('}') {
  return;
  }