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@ -10,7 +10,7 @@ just put some other garbage in there!
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This is perfectly fine because we already have `cap == 0` as our sentinel for no
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This is perfectly fine because we already have `cap == 0` as our sentinel for no
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allocation. We don't even need to handle it specially in almost any code because
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allocation. We don't even need to handle it specially in almost any code because
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we usually need to check if `cap > len` or `len > 0` anyway. The recommended
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we usually need to check if `cap > len` or `len > 0` anyway. The recommended
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Rust value to put here is `mem::align_of::<T>()`. `NonNull` provides a convenience
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Rust value to put here is `mem::size_of::<T>()`. `NonNull` provides a convenience
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for this: `NonNull::dangling()`. There are quite a few places where we'll
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for this: `NonNull::dangling()`. There are quite a few places where we'll
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want to use `dangling` because there's no real allocation to talk about but
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want to use `dangling` because there's no real allocation to talk about but
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`null` would make the compiler do bad things.
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`null` would make the compiler do bad things.
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