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Set the correct element type in vector (#2500)

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TalonsLee
2024-12-12 23:02:54 +08:00
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parent d7ed1944c2
commit 699cceadef
1 changed files with 28 additions and 28 deletions
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8
src/smart-pointers/trait-objects.md
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@ -48,17 +48,17 @@ Memory layout after allocating `pets`:
```bob
Stack Heap
.- - - - - - - - - - - - - -. .- - - - - - - - - - - - - - - - - - - - - - -.
.- - - - - - - - - - - - - - - -. .- - - - - - - - - - - - - - - - - - - - - - -.
: : : :
: "pets: Vec<dyn Pet>" : : "data: Cat" +----+----+----+----+ :
: "pets: Vec<Box<dyn Pet>>" : : "data: Cat" +----+----+----+----+ :
: +-----------+-------+ : : +-------+-------+ | F | i | d | o | :
: | ptr | o---+---+--. : | lives | 9 | +----+----+----+----+ :
: | ptr | o---+-------+--. : | lives | 9 | +----+----+----+----+ :
: | len | 2 | : | : +-------+-------+ ^ :
: | capacity | 2 | : | : ^ | :
: +-----------+-------+ : | : | '-------. :
: : | : | data:"Dog"| :
: : | : | +-------+--|-------+ :
`- - - - - - - - - - - - - -' | : +---|-+-----+ | name | o, 4, 4 | :
`- - - - - - - - - - - - - - - -' | : +---|-+-----+ | name | o, 4, 4 | :
`--+-->| o o | o o-|----->| age | 5 | :
: +-|---+-|---+ +-------+----------+ :
: | | :