You should never use Vec in that situation, but we see it all the time. People love indexing into Vecs and reusing elements. One of my favorite alternatives is

You should never use Vec in that situation, but we see it all the time. People love indexing into Vecs and reusing elements. One of my favorite alternatives is generational_arena [0] which also happens to be the library that inspired Vale's generational references! [0] https://docs.rs/generational-arena/latest/generational_arena/ https://docs.rs/generational-arena/latest/generational_arena...