move stuff around a bit

src/lib.rs

@@ -124,9 +124,12 @@
 //! [`unsize`]: DynVec::unsize
 //! [`unsize_stable`]: DynVec::unsize_stable
 
-#![cfg_attr(feature = "unstable", feature(coerce_unsized))]
-#![cfg_attr(feature = "unstable", feature(set_ptr_value))]
-#![cfg_attr(feature = "unstable", feature(pointer_byte_offsets))]
+#![cfg_attr(
+    feature = "unstable",
+    feature(coerce_unsized),
+    feature(set_ptr_value),
+    feature(pointer_byte_offsets)
+)]
 #![warn(missing_docs)]
 #![warn(clippy::pedantic)]
 #![warn(clippy::nursery)]
@@ -139,6 +142,14 @@ mod bench;
 #[cfg(test)]
 mod test;
 
+mod impls;
+mod iter;
+
+mod ptr_ext;
+use ptr_ext::{ConstPtrExt, MutPtrExt, PtrExt};
+
+pub use iter::*;
+
 // TODO: maybe remove this? Its not that many imports
 /// Prelude, suitable for glob imports.
 pub mod prelude {
@@ -161,9 +172,6 @@ use std::ops::CoerceUnsized;
 
 type Coercer<T, U> = for<'a> fn(&'a T) -> &'a U;
 
-mod ptr_ext;
-use ptr_ext::{ConstPtrExt, MutPtrExt, PtrExt};
-
 /// A heap allocated, dynamic length collection of `?Sized` elements.
 ///
 /// See [`std::vec::Vec`] (the standard library `Vec` type) for more information.
@@ -175,11 +183,6 @@ pub struct DynVec<T: ?Sized> {
     _phantom: PhantomData<T>,
 }
 
-// keeps this file cleaner
-mod impls;
-mod iter;
-pub use iter::*;
-
 /// The extra data stored at the end of the allocation.
 type Extra<T> = *const T;