Fix now unnecessary LenType definitions

Author: sosthene-nitrokey

src/string/mod.rs

@@ -368,15 +368,15 @@ impl<LenT: LenType, S: StringStorage + ?Sized> StringInner<LenT, S> {
     /// ```rust
     /// # use heapless::string::{String, StringView};
     /// let s: String<10, _> = String::try_from("hello").unwrap();
-    /// let view: &StringView<u8> = s.as_view();
+    /// let view: &StringView = s.as_view();
     /// ```
     ///
     /// It is often preferable to do the same through type coerction, since `String<N>` implements `Unsize<StringView>`:
     ///
     /// ```rust
     /// # use heapless::string::{String, StringView};
     /// let s: String<10, _> = String::try_from("hello").unwrap();
-    /// let view: &StringView<u8> = &s;
+    /// let view: &StringView = &s;
     /// ```
     #[inline]
     pub fn as_view(&self) -> &StringView<LenT> {
@@ -389,15 +389,15 @@ impl<LenT: LenType, S: StringStorage + ?Sized> StringInner<LenT, S> {
     /// ```rust
     /// # use heapless::string::{String, StringView};
     /// let mut s: String<10> = String::try_from("hello").unwrap();
-    /// let view: &mut StringView<_> = s.as_mut_view();
+    /// let view: &mut StringView = s.as_mut_view();
     /// ```
     ///
     /// It is often preferable to do the same through type coerction, since `String<N>` implements `Unsize<StringView>`:
     ///
     /// ```rust
     /// # use heapless::string::{String, StringView};
     /// let mut s: String<10> = String::try_from("hello").unwrap();
-    /// let view: &mut StringView<_> = &mut s;
+    /// let view: &mut StringView = &mut s;
     /// ```
     #[inline]
     pub fn as_mut_view(&mut self) -> &mut StringView<LenT> {

src/vec/mod.rs

@@ -1805,7 +1805,7 @@ mod tests {
         {
             let v: Vec<Droppable, 2> = Vec::new();
             let v: Box<Vec<Droppable, 2>> = Box::new(v);
-            let mut v: Box<VecView<Droppable, usize>> = v;
+            let mut v: Box<VecView<Droppable>> = v;
             v.push(Droppable::new()).ok().unwrap();
             v.push(Droppable::new()).ok().unwrap();
             assert_eq!(Droppable::count(), 2);
@@ -1818,7 +1818,7 @@ mod tests {
         {
             let v: Vec<Droppable, 2> = Vec::new();
             let v: Box<Vec<Droppable, 2>> = Box::new(v);
-            let mut v: Box<VecView<Droppable, usize>> = v;
+            let mut v: Box<VecView<Droppable>> = v;
             v.push(Droppable::new()).ok().unwrap();
             v.push(Droppable::new()).ok().unwrap();
             assert_eq!(Droppable::count(), 2);