feat: impl array for any length

cksac · Aug 22, 2023 · e29d173 · e29d173
1 parent 7ab8b86
commit e29d173
Showing 1 changed file with 7 additions and 22 deletions.
diff --git a/fake/src/impls/std/array.rs b/fake/src/impls/std/array.rs
@@ -1,26 +1,11 @@
 use crate::{Dummy, Fake};
 use rand::Rng;
 
-macro_rules! array_impl {
-    {$n:expr, $t:ident $($ts:ident)*} => {
-        impl<T, U> Dummy<U> for [T; $n] where T: Dummy<U> {
-            fn dummy_with_rng<R: Rng + ?Sized>(config: &U, rng: &mut R) -> Self {
-                [Fake::fake_with_rng::<$t, _>(config, rng), $(Fake::fake_with_rng::<$ts, _>(config, rng)),*]
-            }
-        }
-        array_impl!{($n - 1), $($ts)*}
-    };
-    {$n:expr,} => {
-        impl<T, U> Dummy<U> for [T; $n] where T: Dummy<U> {
-            fn dummy(_: &U) -> Self {
-                []
-            }
-
-            fn dummy_with_rng<R: Rng + ?Sized>(_: &U, _rng: &mut R) -> Self {
-                []
-            }
-        }
-    };
+impl<T, U, const N: usize> Dummy<U> for [T; N]
+where
+    T: Dummy<U>,
+{
+    fn dummy_with_rng<R: Rng + ?Sized>(config: &U, rng: &mut R) -> Self {
+        std::array::from_fn(|_| Fake::fake_with_rng::<T, _>(config, rng))
+    }
 }
-
-array_impl! {32, T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T}