pub type igraph_progress_handler_t = Option<unsafe extern "C" fn(message: *const c_char, percent: igraph_real_t, data: *mut c_void) -> igraph_error_t>;Aliased Type§
pub enum igraph_progress_handler_t {
None,
Some(unsafe extern "C" fn(*const i8, f64, *mut c_void) -> u32),
}