[−][src]Function lightgbm_sys::LGBM_RegisterLogCallback
pub unsafe extern "C" fn LGBM_RegisterLogCallback(
callback: Option<unsafe extern "C" fn(arg1: *const c_char)>
) -> c_int
\brief Register a callback function for log redirecting. \param callback The callback function to register \return 0 when succeed, -1 when failure happens