=== 下面的注释有意思 2333 https://github.com/tbodt/ish#a-note-on-the-jit So a warning: Long-term exposure to this code may cause loss of sanity, nightmares about GAS macros and linker errors, or any number of other debilitating side effects. This code is known to the State of California to cause cancer, birth defects, and reproductive harm.