pub type bmat2x4 = Array<bvec4, [Element<bvec4>; 2]>;
Matrix of 2 x 4 boolean values.
struct bmat2x4(pub [Element<bvec4>; 2], pub PhantomData<fn(bvec4)>);
0: [Element<bvec4>; 2]
1: PhantomData<fn(bvec4)>