part 09: explain how Rust prevents iterator invalidation

[rust-101.git] / workspace / src / part04.rs

diff --git a/workspace/src/part04.rs b/workspace/src/part04.rs
index 4f2174ad8e5a9cf2c8dd8871189c00fc13e17366..c7969ac34c949ae50175f6887fb6c3802a601b8a 100644 (file)
--- a/workspace/src/part04.rs
+++ b/workspace/src/part04.rs
@@ -14,7 +14,7 @@ fn work_on_vector(v: Vec<i32>) { /* do something */ }
 fn ownership_demo() {
     let v = vec![1,2,3,4];
     work_on_vector(v);
-    /* println!("The first element is: {}", v[0]); */
+    /* println!("The first element is: {}", v[0]); */               /* BAD! */
 }
 
 // ## Shared borrowing
@@ -55,7 +55,7 @@ fn mutable_borrow_demo() {
     /* let first = &v[0]; */
     vec_inc(&mut v);
     vec_inc(&mut v);
-    /* println!("The first element is: {}", *first); */
+    /* println!("The first element is: {}", *first); */             /* BAD! */
 }
 
 // ## Summary