Modernize some config parameters

search-algorithms.cabal

@@ -20,7 +20,7 @@ library
   hs-source-dirs:      src
   exposed-modules:     Algorithm.Search
   build-depends:       base >= 4.7 && < 5
-                     , containers >= 0.5 && < 0.7
+                     , containers >= 0.5 && < 0.8
   ghc-options:         -Wall
   default-language:    Haskell2010
 

src/Algorithm/Search.hs

@@ -1,6 +1,7 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 
 -- | This module contains a collection of generalized graph search algorithms,
 -- for when you don't want to explicitly represent your data as a graph. The

stack.yaml

@@ -1,4 +1,4 @@
-resolver: lts-18.20
+resolver: lts-22.40
 packages:
 - '.'
 extra-deps: []