Type Alias PR_Draw_LineToFunc 

pub type PR_Draw_LineToFunc = Option<unsafe extern "C" fn(x: A_FpLong, y: A_FpLong)>;

Aliased Type

pub enum PR_Draw_LineToFunc {
    None,
    Some(unsafe extern "C" fn(f64, f64)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(f64, f64))

Some value of type T.