be more explicit about dereferencing

[rust-101.git] / workspace / src / part06.rs

diff --git a/workspace/src/part06.rs b/workspace/src/part06.rs
index 8b69022bfa3792ffefebbe1ff9bb37d5bf5edbf9..15b55d25c1af07066b59699f7b19df48bb92216d 100644 (file)
--- a/workspace/src/part06.rs
+++ b/workspace/src/part06.rs
@@ -1,5 +1,3 @@
-// ***Remember to enable/add this part in `main.rs`!***
-

 // Rust-101, Part 06: Copy, Lifetimes
 // ==================================
 
 // Rust-101, Part 06: Copy, Lifetimes
 // ==================================
 


@@ -24,10 +22,10 @@ impl BigInt {
     }
 }
 
     }
 }
 

-// Now we can write `vec_min`. However, in order to make it type-check, we have to make a full (deep) copy of e
-// by calling `clone()`.
+// Now we can write `vec_min`.

 fn vec_min(v: &Vec<BigInt>) -> Option<BigInt> {
     let mut min: Option<BigInt> = None;
 fn vec_min(v: &Vec<BigInt>) -> Option<BigInt> {
     let mut min: Option<BigInt> = None;

+    // If `v` is a shared borrowed vector, then the default for iterating over it is to call `iter`, the iterator that borrows the elements.

     for e in v {
         unimplemented!()
     }
     for e in v {
         unimplemented!()
     }