Test ?*u0

pZeroConditional.zig

const std = @import("std");
const assert = std.debug.assert;
const warn = std.debug.warn;
const builtin = @import("builtin");
const TypeId = builtin.TypeId;

test "u0" {
    var zero: u0 = 0;
    var pZeroOptional: ?*u0 = &zero;
    assert(pZeroOptional != null); // this is true
    assert(pZeroOptional == &zero);// And this is true
    if (pZeroOptional != null) {
        assert(pZeroOptional.?.* == 0);
    } else {
        unreachable;
    }
}