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Author: sgillespie

app/Main.hs

@@ -2,6 +2,7 @@ module Main where
 
 import Data.Version
 
+import Data.Semigroup
 import Options.Applicative hiding (ParseError)
 import System.Console.Shell
 import System.Console.Shell.ShellMonad

lambda-calculator.cabal

@@ -26,7 +26,7 @@ library
                        Language.SystemF.Expression,
                        Language.SystemF.Parser,
                        Language.SystemF.TypeCheck
-  build-depends:       base <= 5,
+  build-depends:       base >= 4.9,
                        containers,
                        parsec
   default-language:    Haskell2010
@@ -36,9 +36,9 @@ executable lambda-calculator
   main-is:             Main.hs
   other-modules:       Paths_lambda_calculator
   ghc-options:         -threaded -rtsopts -with-rtsopts=-N
-  build-depends:       base,
+  build-depends:       base >= 4.9,
                        lambda-calculator,
-                       optparse-applicative < 0.13,
+                       optparse-applicative >= 0.13,
                        Shellac,
                        Shellac-readline
   default-language:    Haskell2010

stack.yaml

@@ -5,4 +5,4 @@ packages:
 extra-deps:
 - Shellac-0.9.9
 - Shellac-readline-0.9.9
-resolver: lts-7.14
+resolver: lts-8.8