[#394] Fix doc

iceoryx2/src/sample_mut.rs

@@ -26,7 +26,7 @@
 //! # let publisher = service.publisher_builder().create()?;
 //!
 //! // initializes the payload with `Default::default()`
-//! let sample = publisher.loan()?;
+//! let mut sample = publisher.loan()?;
 //! // override contents with 456 because its fun
 //! *sample.payload_mut() = 456;
 //!
@@ -52,7 +52,7 @@
 //!
 //! let slice_length = 12;
 //! // initializes every element of the slice with `Default::default()`
-//! let sample = publisher.loan_slice(slice_length)?;
+//! let mut sample = publisher.loan_slice(slice_length)?;
 //! // override the content of the first element with 42
 //! sample.payload_mut()[0] = 42;
 //!

iceoryx2/src/sample_mut_uninit.rs

@@ -81,7 +81,7 @@
 //! let slice_length = 4;
 //! let sample = publisher.loan_slice_uninit(slice_length)?;
 //! // initialize the slice with the numbers 1, 2, 3, 4
-//! let mut sample = sample.write_from_slice(vec![1, 2, 3, 4]);
+//! let mut sample = sample.write_from_slice(&vec![1, 2, 3, 4]);
 //!
 //! println!("publisher port id: {:?}", sample.header().publisher_id());
 //! sample.send()?;
@@ -216,8 +216,9 @@ impl<Service: crate::service::Service, Payload: Debug + ?Sized, UserHeader>
     /// #     .open_or_create()?;
     /// # let publisher = service.publisher_builder().create()?;
     ///
-    /// let sample = publisher.loan_uninit()?;
-    /// println!("Sample current payload {}", sample.payload());
+    /// let mut sample = publisher.loan_uninit()?;
+    /// sample.payload_mut().write(123);
+    /// println!("Sample current payload {}", unsafe { sample.payload().assume_init_ref() });
     ///
     /// # Ok(())
     /// # }
@@ -245,8 +246,8 @@ impl<Service: crate::service::Service, Payload: Debug + ?Sized, UserHeader>
     /// #     .open_or_create()?;
     /// # let publisher = service.publisher_builder().create()?;
     ///
-    /// let mut sample = publisher.loan()?;
-    /// *sample.payload_mut() = 4567;
+    /// let mut sample = publisher.loan_uninit()?;
+    /// sample.payload_mut().write(4567);
     ///
     /// # Ok(())
     /// # }