- added constructs
- added loop detection
- some logic from Tint borrowed for selection constructs

* Unify back::msl push constants map and sizes buffer

* Fix clippy warning

* Actually remove PushConstantsMap

* Update snapshots

* Add validation-windows yml for HLSL

Add workgroup size to hlsl-out

* Update Readme with Make target information

* Change runs on to windows-latest

* Remove snapshot file

* 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

* Add support for arrayLength to the wgsl frontend

* Fix clippy warning

* Add support for int8, int16, and int64 as well as null constant structs

* Add support for OpArrayLength to the spirv frontend

* Add hacky OpCopyMemory support to spirv frontend

* Add OpInBoundsAccessChain to spirv frontend

* Add OpLogical(Not)Equal to spirv frontend

* Fix several of the issues raised in the pr

* Fix the Op::ArrayLength match

* Validate accessing structs through pointers

* Remove extraneous type check

* Implement GLOp::Radians and GLOp::Degrees

* Simplify and inline

* Change comment

* Generate constant on demand

* Fix 180/pi/180

* [msl-out] wrap arrays in structs so that they can be returned by functions

* Fix clippy problems

* use a raw array for output fields

* Fix clippy problems

* Apply suggestions

* Remove put_initialization_component

* Check if the array is a constant size

* Don't use the pointer class