{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(..),"}]}
                    CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(..), _) => {
                    }
                        // FIXME: check safety, captures, and signature compatibility.