> For example it wasn't clear to me that append() mostly doesn't copy the full vector, but does a copy of the slice pointer. Well I guess you do have to grok t

> For example it wasn't clear to me that append() mostly doesn't copy the full vector, but does a copy of the slice pointer. Well I guess you do have to grok the language spec and semantics in order to understand how builtins like append behave, I'm not sure that's avoidable.