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But Set can just overwrites the specified element while Insert will insert the element at the specified position by pushing the element and all following elemen

• SideburnsOfDoom 12y ago
  > But Set can just overwrites the specified element Kind of: Set returns a new Vector with a changed state (the specified element overwritten). But yes, this implement is very sparse: there's no way to add and remove elements in the middle, no way to even tell how many elements are in the list: https://news.ycombinator.com/item?id=8592178 https://news.ycombinator.com/item?id=8592178 Perhaps omitting them hides some different optimisation choices (i.e. they would be more expensive) Maybe it's just a proof of concept?