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A comment on Virtual Structs Part 1: Where Rust’s Enum Shines. Parent comment

Re:Virtual Structs Part 1: Where Rust’s Enum Shines by Rusky on Tuesday May 05, 2015 @02:22PM (#9494039)
Trait object pointers are "fat"- they consist of both a pointer to the object and a vtable pointer (much like Go interfaces if you've used those). Other DSTs are similar- pointers to slices consist of both a pointer to the elements and a count.
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