bare3_2

examples/bare3.rs

@@ -18,8 +18,11 @@ use cortex_m_semihosting::{hprint, hprintln};
 #[entry]
 fn main() -> ! {
     hprintln!("bare3").unwrap();
-    let s = "ABCD";
-    let bs = s.as_bytes();
+    let s: &str = "ABCD";
+    let bs: &[u8] = s.as_bytes();
+    let c: &u8;
+    let i: i32;
+    let a: [u8; 4];
 
     hprintln!("s = {}", s).unwrap();
     hprintln!("bs = {:?}", bs).unwrap();
@@ -36,7 +39,7 @@ fn main() -> ! {
 
     hprintln!("").unwrap();
 
-    let a = [65u8; 4];
+    a = [65u8; 4];
     //let mut a = [0u8; 4];
 
     hprintln!("").unwrap();
@@ -52,27 +55,38 @@ fn main() -> ! {
 //
 // 1. What is the output in the `openocd` (Adapter Output) console?
 //
-//    ** your answer here **
+//    bare3
+//    s = ABCD
+//    bs = [65, 66, 67, 68]
+//    iterate over slice
+//    65,66,67,68,iterate iterate using (raw) indexing
+//    65,
+//    66,
+//    67,
+//    68,
+// 
+// 
+//    a = AAAA
 //
 //    What is the type of `s`?
 //
-//    ** your answer here **
+//    type string
 //
 //    What is the type of `bs`?
 //
-//    ** your answer here **
+//    u8 byte array
 //
 //    What is the type of `c`?
 //
-//    ** your answer here **
+//    Pointer for an u8 element in the bs array.
 //
 //    What is the type of `a`?
 //
-//    ** your answer here **
+//    it's an array of u8
 //
 //    What is the type of `i`?
 //
-//    ** your answer here **
+//    a int variable, i32
 //
 //    Commit your answers (bare3_1)
 //