Type Alias s7_float_function 

pub type s7_float_function = Option<unsafe extern "C" fn(sc: *mut s7_scheme) -> s7_double>;

Aliased Type

pub enum s7_float_function {
    None,
    Some(unsafe extern "C" fn(*mut s7_scheme) -> f64),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut s7_scheme) -> f64)

Some value of type T.