Fix TypeWildcardProvider for latest GHC

- Handle modified error message format generated by GHC 9.6.* - Use latest GHC in `branch` tests
EduardSergeev · May 19, 2024 · 8949694 · 8949694
1 parent 15a5e79
commit 8949694
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diff --git a/.github/workflows/branch.yml b/.github/workflows/branch.yml
@@ -17,8 +17,8 @@ jobs:
 
     - name: Set up GHC environment
       run: |
-        echo "resolver: ghc-9.4.5" > stack.yaml
-        echo "packages: []" >> stack.yaml
+        # echo "resolver: ghc-9.4.5" > stack.yaml
+        # echo "packages: []" >> stack.yaml
         stack setup
   
     - run: npm install

diff --git a/src/features/typeWildcardProvider.ts b/src/features/typeWildcardProvider.ts
@@ -40,7 +40,7 @@ export default class TypeWildcardProvider implements CodeActionProvider {
         }
 
         const line = document.lineAt(diagnostic.range.start);
-        if(fill === "()") {
+        if(fill === "()" || fill == "() :: Constraint") {
           fill = "";
           const wilcardMatch = line.text.match(/_\s*=>\s*/) || line.text.match(/,\s*_\s*/) || line.text.match(/\s*_\s*,/);
           if(wilcardMatch) {