Merge #31 31: extended_key_value_attributes r=jonas-schievink a=Veykril see https://github.com/rust-lang/rust/issues/78835, allows arbitrary expressions instead of just literals Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
A DSL for specifying concrete syntax trees. See this introductory post.
See ./rust.ungram for an example.