Function harfbuzz_sys::hb_set_set_user_data
source · pub unsafe extern "C" fn hb_set_set_user_data(
set: *mut hb_set_t,
key: *mut hb_user_data_key_t,
data: *mut c_void,
destroy: hb_destroy_func_t,
replace: hb_bool_t
) -> hb_bool_t