{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"///"}]}
    /// This means it is neither an `async` or `gen` construct.
    /// Returns `true` if the node pointed to by `def_id` is a general coroutine that implements `Coroutine`.
    pub fn is_general_coroutine(self, def_id: DefId) -> bool {