a0027_remove_element.rs

/*
 * [0027] remove-element
 */

pubstructSolution{}

// solution impl starts here

implSolution{
pubfnremove_element(nums:&mutVec<i32>,val:i32) -> i32{
letmut i = 0;
while i < nums.len(){
if nums[i] == val {
 nums.remove(i);
}else{
 i += 1;
}
}
 nums.len()asi32
}
}

// solution impl ends here

// solution tests starts here

#[cfg(test)]
mod tests {
usesuper::*;

#[test]
fntest_case0(){
letmut nums = vec![3,2,2,3];
assert_eq!(Solution::remove_element(&mut nums,2),2);
assert_eq!(nums, vec![3,3]);
}

#[test]
fntest_case1(){
letmut nums = vec![0,1,2,2,3,0,4,2];
assert_eq!(Solution::remove_element(&mut nums,2),5);
assert_eq!(nums, vec![0,1,3,0,4]);
}
}

// solution tests ends here