{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
                    // things like `*mut [i32] -> *mut i32 -> *const i32` and
                    // Even if there's a narrowing cast in here that's fine, because
                    // `*mut [i32] -> *const [i32] -> *const i32` can skip the middle in MIR.