pub type sscalv_ft = Option<unsafe extern "C" fn(conjalpha: conj_t, n: dim_t, alpha: *mut f32, x: *mut f32, incx: inc_t)>;
enum sscalv_ft { None, Some(unsafe extern "C" fn(_: u32, _: i64, _: *mut f32, _: *mut f32, _: i64)), }
No value.
Some value of type T.
T