Fix documentation build

src/impl_const_default.rs

@@ -21,7 +21,10 @@ impl<T: ConstDefault, U: ConstDefault> ConstDefault for GenericArrayImplOdd<T, U
 }
 
 impl<T, U: ArrayLength<T>> ConstDefault for GenericArray<T, U>
-where U::ArrayType: ConstDefault,
+where
+    U::ArrayType: ConstDefault,
 {
-    const DEFAULT: Self = Self { data: ConstDefault::DEFAULT };
+    const DEFAULT: Self = Self {
+        data: ConstDefault::DEFAULT,
+    };
 }

src/impl_zeroize.rs

@@ -1,8 +1,7 @@
-use {ArrayLength, GenericArray};
+use crate::{ArrayLength, GenericArray};
 
 use zeroize::Zeroize;
 
-#[cfg_attr(docsrs, doc(cfg(feature = "zeroize")))]
 impl<T: Zeroize, N: ArrayLength<T>> Zeroize for GenericArray<T, N> {
     fn zeroize(&mut self) {
         self.as_mut_slice().iter_mut().zeroize()
@@ -22,4 +21,4 @@ mod tests {
         assert_eq!(array[0], 0);
         assert_eq!(array[1], 0);
     }
-}
+}

src/lib.rs

@@ -67,6 +67,7 @@
 #![deny(missing_docs)]
 #![deny(meta_variable_misuse)]
 #![no_std]
+#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 
 #[cfg(feature = "const-default")]
 extern crate const_default;

tests/arr.rs

@@ -34,4 +34,4 @@ fn const_context() {
 fn repeat_expression() {
     let ar = arr![u8; 0xc0; typenum::U4];
     assert_eq!(format!("{:x}", ar), "c0c0c0c0");
-}
+}