System.print(0 & 0) // expect: 0
System.print(0xaaaaaaaa & 0x55555555) // expect: 0
System.print(0xf0f0f0f0 & 0x3c3c3c3c) // expect: 808464432

// Max u32 value.
System.print(0xffffffff & 0xffffffff) // expect: 4294967295

// TODO: Negative numbers.
// TODO: Floating-point numbers.
// TODO: Numbers that don't fit in u32.