testsuite/tests/typecheck/should_fail/tcfail010.stderr


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tcfail010.hs:3:17: error: [GHC-39999]
    • No instance for ‘Num [a0]’ arising from a use of ‘+’
    • In the expression: z + 2
      In the expression: \ (y : z) -> z + 2
      In an equation for ‘q’: q = \ (y : z) -> z + 2