tcfail038.hs:7:11:
    Conflicting definitions for ‘==’
    Bound at: tcfail038.hs:7:11-12
              tcfail038.hs:9:11-12

tcfail038.hs:8:11:
    Conflicting definitions for ‘/=’
    Bound at: tcfail038.hs:8:11-12
              tcfail038.hs:10:11-12