Loops/Foreach: Difference between revisions

=={{header|Rust}}==

Rust's for-loop already is a foreach-loop.

for elem in collection {

println!("{}", elem);

 

Do note that Rust moves values by default and doesn't copy them. A vector would be unusable after looping over it like above. To preserve it, borrow it or use an Iter, to mutate values do a mutable borrow or create an IterMut. To get an immutable reference omit the mut-part.

for mut_ref in &mut collection {

// alternatively: