@group(0) @binding(0) var<storage, read_write> s: array<u32>;

struct A {
    b:vec2u,
    c:u32
}
@compute @workgroup_size(1u)
fn main(){
    var q = 0u;
    s[0] = (array(A(vec2u(1,2), 3), A(vec2u(4,5),6)))[q].b.x;
}