Function onig_sys::onig_set_warn_func

pub unsafe extern "C" fn onig_set_warn_func(func: OnigWarnFunc)

Set warning function.

void onig_set_warn_func(OnigWarnFunc func)

WARNING: '[', '-', ']' in character class without escape. ']' in pattern without escape.

arguments 1 func: function pointer. void (func)(char warning_message)