rustHow to iterate over a Rust slice with an index?
Iterating over a Rust slice with an index can be done using a for
loop. The loop will iterate over each element in the slice and provide the index of the element as well.
let my_slice = [1, 2, 3, 4];
for (index, element) in my_slice.iter().enumerate() {
println!("Element at index {} is {}", index, element);
}
Output example
Element at index 0 is 1
Element at index 1 is 2
Element at index 2 is 3
Element at index 3 is 4
Code explanation
let my_slice = [1, 2, 3, 4];
: This declares a slice containing the elements 1, 2, 3, and 4.for (index, element) in my_slice.iter().enumerate()
: This is thefor
loop which will iterate over each element in the slice. Theenumerate()
method will provide the index of the element as well.println!("Element at index {} is {}", index, element);
: This prints out the index and element of the current iteration.
Helpful links
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