remove useless compose

src/func/classes/compositionclass.rs

@@ -53,17 +53,3 @@ impl<U: ApplicativeLA2, V: ApplicativeLA2> ApplicativeLA2 for CompositionClass<U
         U::la2(|ua, ub| V::la2(f, ua, ub), fa, fb)
     }
 }
-
-pub fn compose<'a>(f: impl 'a + Fn(i16) -> i32, g: impl 'a + Fn(i8) -> i16) -> impl 'a + Fn(i8) -> i32 {
-    move |x| f(g(x))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_compose() {
-        assert_eq!(compose(|x| (x + 5).into(), |x| (x + 3).into())(2), 10);
-    }
-}