auto view = BigIntView!size_t.fromHexString("-afbbfae3cd0aff2714a1de7022b0021d");
assert(cast(long) view == -0x14a1de7022b0021d);
assert(cast(int) view == -0x22b0021d);

auto view = BigIntView!size_t.fromHexString!(char, true)("-afbb_fae3_cd0a_ff27_14a1_de70_22b0_021d");
assert(cast(long) view == -0x14a1de7022b0021d);
assert(cast(int) view == -0x22b0021d);