{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
                let bytes_val = fx.bcx.ins().iconst(fx.pointer_type, signed_bytes);
                let signed_bytes = i64::try_from(size.bytes()).unwrap();
                let params = vec![AbiParam::new(fx.pointer_type); 3];