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18 lines
1.0 KiB
Markdown
18 lines
1.0 KiB
Markdown
# Troubles encountered with Rust during the making of this library
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- [No way to create dynamic-sized arrays on the stack](https://github.com/rust-lang/rfcs/issues/618). A lot of Vulkan functions require
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passing an array of small elements (small structs or integers). Building such an array with a `Vec` can be expensive, especially
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when most of the time the array only contains a single element.
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- No way to create a `*mut T` pointer from a `*mut c_void()` and a size when `T` is unsized. This had to be implemented in a custom
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trait.
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- [Can't cast an `ImageResource` into a `Resource` even though the former depends on the latter](https://github.com/rust-lang/rust/issues/5665).
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- This library was designed with specialization in mind. There are several `is_compatible` trait methods that perform deep comparisons between
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layouts. With specialization available, these methods could be specialized as `true` for layouts that are known to always be compatible.
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- https://github.com/rust-lang/rust/issues/29328
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- HKTs would make for a nicer API.
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