Type Alias s7_d_t 

pub type s7_d_t = Option<unsafe extern "C" fn() -> s7_double>;

Aliased Type

pub enum s7_d_t {
    None,
    Some(unsafe extern "C" fn() -> f64),
}

Variants

None

No value.

Some(unsafe extern "C" fn() -> f64)

Some value of type T.