message: cargo doc fix
diff: @@ -259,9 +259,9 @@ impl Display for AbstractInstruction {
  /// <https://capra.cs.cornell.edu/bril/lang/syntax.html#type>
  #[derive(Debug, Clone, PartialEq, Eq, Hash)]
  pub enum AbstractType {
  - /// For example "bool" => Primitive("bool")
  + /// For example `bool` => `Primitive("bool")`
  Primitive(String),
  - /// For example "ptr<bool>" => Parameterized("ptr", Box::new(Primitive("bool")))
  + /// For example `ptr<bool>` => `Parameterized("ptr", Box::new(Primitive("bool")))`
  Parameterized(String, Box<Self>),
  }
  