{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
                    let src = self.evaluated[value].as_ref()?;
                CastKind::PointerCoercion(ty::adjustment::PointerCoercion::UnsafeFnPointer, _) => {
                    let src = self.ecx.read_immediate(src).discard_err()?;