pub type readstat_write_double_callback = Option<unsafe extern "C" fn(row_data: *mut c_void, variable: *const readstat_variable_t, value: f64) -> readstat_error_t>;Aliased Type§
pub enum readstat_write_double_callback {
None,
Some(unsafe extern "C" fn(*mut c_void, *const readstat_variable_s, f64) -> u32),
}