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- fn main(){
- let mut vec = vec![1, 2, 3];
- let two = *vec.get(1).unwrap();
- if let Some(removed)=vec.iter().position(|x| *x==two ){
- vec.remove(removed);
- }
- println!("{:?}",vec );
- assert_eq!(vec,vec![1,3] );
- }
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