{-# OPTIONS_GHC -ddump-simpl -ddump-to-file -dsuppress-uniques #-} {-# OPTIONS_GHC -fplugin=CoreWarn #-} module InductionTest where import Infra import Data.Proxy tree :: () tree = requireEmptyClass $ Proxy @(ToTree('[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40])) induction :: () induction = requireInductionClass @('[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]) $ Proxy really_bad :: () really_bad = seq (requireEmptyClass @(ToTree('[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])) Proxy) (requireEmptyClass @(ToTree('[12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1])) Proxy) really_really_bad :: () really_really_bad = seq (requireEmptyClass @(ToTree('[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])) Proxy) (seq (requireEmptyClass @(ToTree('[12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1])) Proxy) (seq (requireEmptyClass @(ToTree('[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])) Proxy) (requireEmptyClass @(ToTree('[12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1])) Proxy) ))