Add inline annotations to wrapping function calls in ufmt

This should make the compiler inline the function calls to increase performance.

CHANGELOG.md

@@ -83,6 +83,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   - `ufmt-impl` is now `ufmt`
   - `cas` is removed, atomic polyfilling is now opt-in via the `portable-atomic` feature.
 - `Vec::as_mut_slice` is now a public method.
+- `ufmt` functions are annotated with `inline`.
 
 ### Fixed
 

src/ufmt.rs

@@ -3,6 +3,7 @@ use ufmt::uDisplay;
 use ufmt_write::uWrite;
 
 impl<S: Storage> uDisplay for StringInner<S> {
+    #[inline]
     fn fmt<W>(&self, f: &mut ufmt::Formatter<'_, W>) -> Result<(), W::Error>
     where
         W: uWrite + ?Sized,
@@ -13,13 +14,15 @@ impl<S: Storage> uDisplay for StringInner<S> {
 
 impl<S: Storage> uWrite for StringInner<S> {
     type Error = ();
+    #[inline]
     fn write_str(&mut self, s: &str) -> Result<(), Self::Error> {
         self.push_str(s)
     }
 }
 
 impl<S: Storage> uWrite for VecInner<u8, S> {
     type Error = ();
+    #[inline]
     fn write_str(&mut self, s: &str) -> Result<(), Self::Error> {
         self.extend_from_slice(s.as_bytes())
     }