public static BlockVector <N, T> Load <N, T>(Span256 <T> src) where N : ITypeNat, new() where T : struct => BlockVector <N, T> .LoadAligned(src);
public static BlockVector <N, T> Load <N, T>(Span <T> src, N n = default) where N : ITypeNat, new() where T : struct => BlockVector <N, T> .LoadAligned(Span256.Load(src));
public static BlockVector <N, T> Load <N, T>(N length, params T[] src) where N : ITypeNat, new() where T : struct => BlockVector <N, T> .LoadAligned(Span256.Load <T>(src));
public static BlockVector <N, T> Alloc <N, T>(N n, T fill) where N : ITypeNat, new() where T : struct => BlockVector <N, T> .LoadAligned(Span256.Alloc <N, T>(fill));