Head second:2
Trunc first:2
Head trunc: This is expected
Combine: This is expected
Replace1: This is expected
Replace2: This is expected
Immutability: This is expected
ValueEquality: This is expected
Membership 1: This is expected
Membership 2: This is expected
Membership 3: This is expected
Membership 3 value equality: This is expected
Hello world!
