pub type readstat_value_handler = Option<unsafe extern "C" fn(obs_index: c_int, variable: *mut readstat_variable_t, value: readstat_value_t, ctx: *mut c_void) -> c_int>;Aliased Type§
pub enum readstat_value_handler {
None,
Some(unsafe extern "C" fn(i32, *mut readstat_variable_s, readstat_value_s, *mut c_void) -> i32),
}Variants§
None
No value.
Some(unsafe extern "C" fn(i32, *mut readstat_variable_s, readstat_value_s, *mut c_void) -> i32)
Some value of type T.