do not need Debug2Format

Author: robamu

examples/allocator_api.rs

@@ -8,7 +8,6 @@ extern crate alloc;
 use core::{mem::MaybeUninit, panic::PanicInfo};
 use cortex_m as _;
 use cortex_m_rt::entry;
-use defmt::Debug2Format;
 use defmt_semihosting as _;
 use embedded_alloc::LlffHeap as Heap;
 
@@ -27,7 +26,7 @@ fn main() -> ! {
     let mut vec = alloc::vec::Vec::new_in(heap);
     vec.push(1);
 
-    defmt::info!("Allocated vector: {:?}", Debug2Format(&vec));
+    defmt::info!("Allocated vector: {:?}", vec.as_slice());
 
     semihosting::process::exit(0);
 }

examples/global_alloc.rs

@@ -5,7 +5,6 @@ extern crate alloc;
 
 use cortex_m as _;
 use cortex_m_rt::entry;
-use defmt::Debug2Format;
 use defmt_semihosting as _;
 
 use core::panic::PanicInfo;
@@ -26,11 +25,11 @@ fn main() -> ! {
 
     let vec = alloc::vec![1];
 
-    defmt::info!("Allocated vector: {:?}", Debug2Format(&vec));
+    defmt::info!("Allocated vector: {:?}", vec.as_slice());
 
     let string = alloc::string::String::from("Hello, world!");
 
-    defmt::info!("Allocated string: {:?}", Debug2Format(&string));
+    defmt::info!("Allocated string: {:?}", string.as_str());
 
     semihosting::process::exit(0);
 }