Update Examples

Examples.md

@@ -910,7 +910,7 @@ fn main
 </td></tr></table>
 
 #### for loops
-This  subsection introduces the three ways of converting collections into iterators. For convenience, we combine them into a single example here. Note that in Husht you can select the mode of conversion by decorating the looping preposition `in`.
+This  subsection introduces the three ways of converting collections into iterators. For convenience, we combine them into a single example here. Note that we have changed the loop specifications in the examples on the Rust side, because it seems more Rust-idiomatic to (for example) iterate on a reference to a collection than to call .iter explicitly.
 
 <table>
 <tr>
@@ -924,7 +924,7 @@ This  subsection introduces the three ways of converting collections into iterat
 fn main() {
     let mut names = vec!["Bob", "Frank", "Ferris"];
 
-    for name in names.iter() {
+    for name in &names {
         match name {
             &"Ferris" => println!("Rustacean alert!"),
             _ => println!("Hello {}", name),
@@ -933,7 +933,7 @@ fn main() {
     
     println!("names: {:?}", names);
 
-    for name in names.iter_mut() {
+    for name in &mut names {
         *name = match name {
             &mut "Ferris" => "Rustacean alert!",
             _ => "Hello",
@@ -942,7 +942,7 @@ fn main() {
 
     println!("names: {:?}", names);
 
-    for name in names.into_iter() {
+    for name in names {
         match name {
             "Hello" => println!("Someone was normal"),
             _ => println!("Warning: {}", name),
@@ -958,7 +958,7 @@ fn main() {
 fn main
     let mut names = vec!["Bob", "Frank", "Ferris"]
 
-    for name &in names
+    for name in &names
         match name
             &"Ferris" => println! "Rustacean alert!"
             _ => println! "Hello {}", name
@@ -967,7 +967,7 @@ fn main
 
 
 
-    for name &mut in names
+    for name in &mut names
         *name = match name
             &mut "Ferris" => "Rustacean alert!"
             _ => "Hello"