2 rnfail008.hs:18: Warning:
3 No explicit method nor default method for `op1'
4 in an instance declaration for `K'
6 rnfail008.hs:18: Warning:
7 No explicit method nor default method for `op2'
8 in an instance declaration for `K'
10 rnfail008.hs:14: Warning:
11 No explicit method nor default method for `op2'
12 in an instance declaration for `K'
15 rnfail008.hs:18: Class `K' does not have a method `op3'
18 Compilation had errors