testsuite/tests/typecheck/should_fail/tcfail069.stderr


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tcfail069.hs:21:7: error:
    • Couldn't match expected type ‘([Int], [Int])’
                  with actual type ‘[a0]’
    • In the pattern: []
      In a case alternative: [] -> error "foo"
      In the expression: case (list1, list2) of { [] -> error "foo" }