testsuite/tests/typecheck/should_fail/tcfail013.stderr


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tcfail013.hs:4:3: error:
    • Couldn't match expected type ‘[r]’ with actual type ‘Bool’
    • In the pattern: True
      In an equation for ‘f’: f True = 2
    • Relevant bindings include
        f :: [r] -> a (bound at tcfail013.hs:3:1)