Pattern-matching:
simple:  2 3 4 5
irrefutable patterns in let-bindings:  1
nested patterns:  6
as-patterns:  1
or-patterns:  1 2 3 4
record patterns 1
string patterns 42 42 42
when-guards 1 2 3
match with exception 17 42
interval patterns 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 4 4