2 Warning: Possibly incomplete patterns
3 in the definition of function `f'
5 Warning: Possibly incomplete patterns
6 in the definition of function `g'
8 Warning: Possibly incomplete patterns
9 in the definition of function `h'
11 Warning: Pattern match(es) completely overlapped
12 in the definition of function `i'
14 Warning: Pattern match(es) completely overlapped
15 in the definition of function `i'
17 Warning: Possibly incomplete patterns
18 in the definition of function `i'