split_once() t 0x602000000070 0x6020000000b0 .f 80000000 80000000 20000000000 .obj obj_len 4 buf obj_len 12 .80000000 80000000 20000000000 split_once() .BufLineReader 1 [foo ] 2 [bar ] 3 [leftover] 4 [] .Oil Source Code =============== [![Build Status](https://github.com/oilshell/oil/actions/workflows/all-builds.yml/badge.svg)](https://github.com/oilshell/oil/actions/workflows/all-builds.yml) stdout isatty() = 0 stdin isatty() = 0 files_test files_test DONE . Total: 6 tests (1520 ticks, 0.002 sec), 21 assertions Pass: 6, fail: 0, skip: 0.