rustHow to get an element from a HashSet in Rust?
To get an element from a HashSet in Rust, you can use the get
method. This method takes a reference to the element you want to get and returns an Option<&T>
where T
is the type of the elements in the HashSet.
Example
use std::collections::HashSet;
let mut set = HashSet::new();
set.insert(1);
set.insert(2);
let result = set.get(&1);
println!("{:?}", result);
Output example
Some(&1)
The get
method takes a reference to the element you want to get and returns an Option<&T>
where T
is the type of the elements in the HashSet. If the element is found, the method returns Some(&T)
, otherwise it returns None
.
Helpful links
Related
More of Rust
- How to extract data with regex in Rust?
- How to get the length of a Rust HashMap?
- How to use regex with bytes in Rust?
- How to create a new Rust HashMap with values?
- How to calculate the inverse of a matrix in Rust?
- How to convert the keys of a Rust HashMap to a vector?
- How to convert a Rust HashMap to a BTreeMap?
- How to convert a Rust slice of u8 to a string?
- How to calculate the sum of a Rust slice?
- How to convert a u8 slice to a hex string in Rust?
See more codes...