* Add support for arrayLength to the wgsl frontend
* Fix clippy warning
* Add draft support for array length to the msl backend
* Finalize support for array length in msl
* Convert buffer size to array length in msl backend
* Fix clippy warning
* Fix misleading documentation
* Changes based on review of PR
* Use a fake binding for sizes buffer in msl backend if necessary
* Only generate the msl buffer size structure if globals are present that have unsized arrays
* Make sure to generate separators
* Replace uses_unsized_buffers with !self.runtime_sized_buffers.is_empty()
* Clear self.runtime_sized_buffers
* Run snapshot of shadow.msl
* Add Expression::ArrayLength support to the spirv backend
* Remove wgsl target from the access snapshot test
* Update access.msl snapshot
* Update stack size for msl backend
* Update stack size again for msl backend
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