Compatibility with older aeson releases (#2868)

haskell · Apr 30, 2022 · 0913ce7 · 0913ce7
1 parent 306aaa0
commit 0913ce7
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/plugins/hls-call-hierarchy-plugin/hls-call-hierarchy-plugin.cabal b/plugins/hls-call-hierarchy-plugin/hls-call-hierarchy-plugin.cabal
@@ -24,7 +24,7 @@ library
 
   hs-source-dirs:     src
   build-depends:
-    , aeson                 >=1.5.2.0
+    , aeson
     , base                  >=4.12 && <5
     , bytestring
     , containers

diff --git a/plugins/hls-call-hierarchy-plugin/src/Ide/Plugin/CallHierarchy/Internal.hs b/plugins/hls-call-hierarchy-plugin/src/Ide/Plugin/CallHierarchy/Internal.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP                 #-}
 {-# LANGUAGE FlexibleContexts    #-}
 {-# LANGUAGE LambdaCase          #-}
 {-# LANGUAGE NamedFieldPuns      #-}
@@ -189,6 +190,9 @@ mkSymbol = \case
 deriving instance Ord SymbolKind
 deriving instance Ord SymbolTag
 deriving instance Ord CallHierarchyItem
+#if !MIN_VERSION_aeson(1,5,2)
+deriving instance Ord Value
+#endif
 
 -- | Render incoming calls request.
 incomingCalls :: PluginMethodHandler IdeState CallHierarchyIncomingCalls