I believe you meant `strings.Split(s1, s2)`, but I would have also accepted `s1.split(s2).collect::<Vec<&str>>();`

Kidding aside, I agree completely that syntax isn't the important part. For interviews I think of it more as a sign the person is "warmed" up in a language. If they code in Go or Rust all day currently, then I expect a bit more of the syntax to be known for that language, but it's more a tell on what they actually do all day then what they can do in a week or two of learning.