Right now, WGSL has `array<vec4<f32>, 5>`. This would be much easier read if it was `vec4<f32>[5]`. (Bonus points for `fvec4[5]` if we do https://github.com/gpuweb/gpuweb/issues/736)
Right now, WGSL has
array<vec4<f32>, 5>. This would be much easier read if it wasvec4<f32>[5].(Bonus points for
fvec4[5]if we do #736)