To access items in a vector in Rust, you can use indexing and slicing operations.
In this example,
my_vector
containing some elements.[]
and specify the index of the element we want to access.fn main() {
let my_vector = vec!["apple", "banana", "cherry", "date"];
// Access single element by index (e.g., index 2)
let accessed_element = &my_vector[1];
// Print accessed element
println!("{:?}", accessed_element);
}
"banana"
In this example,
my_vector
containing some elements.[]
to access multiple elements from the vector.fn main() {
let my_vector = vec!["apple", "banana", "cherry", "date"];
// Access multiple elements by indices (e.g., indices 0 to 2)
let accessed_elements = &my_vector[0..=2];
// Print accessed elements
println!("{:?}", accessed_elements);
}
["apple", "banana", "cherry"]
In this example,
my_vector
containing numeric elements.fn main() {
let my_vector = vec![10, 20, 30, 40, 50];
// Access elements greater than 30 using iterator
let accessed_elements: Vec<_> = my_vector.iter().filter(|&x| *x > 30).collect();
// Print accessed elements
println!("{:?}", accessed_elements);
}
[40, 50]
In this tutorial, we learned How to Access Items in a Vector in Rust language with well detailed examples.