do it like this

src/lib.rs

@@ -1,5 +1,9 @@
 mod macros;
-pub mod vector;
+mod vector;
+
+pub use vector::Vector2;
+pub use vector::Vector3;
+pub use vector::Vector4;
 
 #[cfg(test)]
 mod tests;

src/macros/mod.rs

@@ -11,7 +11,7 @@ macro_rules! impl_vector {
             /// # Example
             ///
             /// ```
-            /// use fixed_wide_vectors::vector::Vector2;
+            /// use fixed_wide_vectors::Vector2;
             ///
             /// let vec2 = Vector2::new(0, 0);
             ///
@@ -30,7 +30,7 @@ macro_rules! impl_vector {
             /// # Example
             ///
             /// ```
-            /// use fixed_wide_vectors::vector::Vector2;
+            /// use fixed_wide_vectors::Vector2;
             ///
             /// let vec2 = Vector2::new(0, 0);
             /// let array = vec2.to_array();
@@ -47,7 +47,7 @@ macro_rules! impl_vector {
             /// # Example
             ///
             /// ```
-            /// use fixed_wide_vectors::vector::Vector2;
+            /// use fixed_wide_vectors::Vector2;
             ///
             /// let vec2 = Vector2::new(0, 0);
             /// let tuple = vec2.to_tuple();
@@ -64,7 +64,7 @@ macro_rules! impl_vector {
             /// # Example
             ///
             /// ```
-            /// use fixed_wide_vectors::vector::Vector2;
+            /// use fixed_wide_vectors::Vector2;
             ///
             /// let vec2 = Vector2::new(1, 2)
             ///     .map(|i| i * 2);
@@ -88,7 +88,7 @@ macro_rules! impl_vector {
             /// # Example
             ///
             /// ```
-            /// use fixed_wide_vectors::vector::Vector2;
+            /// use fixed_wide_vectors::Vector2;
             ///
             /// let vec2 = Vector2::from_value(0);
             ///

src/vector.rs

@@ -5,7 +5,7 @@
 /// # Example
 ///
 /// ```
-/// use fixed_wide_vectors::vector::Vector2;
+/// use fixed_wide_vectors::Vector2;
 ///
 /// let mut vec2 = Vector2::new(1, 2);
 /// vec2 += Vector2::new(1, 2);
@@ -24,7 +24,7 @@ pub struct Vector2<T> {
 /// # Example
 ///
 /// ```
-/// use fixed_wide_vectors::vector::Vector3;
+/// use fixed_wide_vectors::Vector3;
 ///
 /// let mut vec3 = Vector3::new(1, 2, 3);
 /// vec3 += Vector3::new(1, 2, 3);
@@ -45,7 +45,7 @@ pub struct Vector3<T> {
 /// # Example
 ///
 /// ```
-/// use fixed_wide_vectors::vector::Vector4;
+/// use fixed_wide_vectors::Vector4;
 ///
 /// let mut vec4 = Vector4::new(1, 2, 3, 4);
 /// vec4 += Vector4::new(1, 2, 3, 4);