devcontainer

haskell/.devcontainer/Dockerfile

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+FROM ubuntu:24.04
+
+RUN apt-get update && apt-get install -y build-essential curl libffi-dev libffi8ubuntu1 libgmp-dev libgmp10 libncurses-dev
+RUN curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
+ENV PATH="$PATH:/root/.ghcup/bin"
+RUN ghcup install hls
+RUN apt-get update && apt-get install -y git zlib1g-dev
+RUN cabal update && cabal install ghci-dap haskell-debug-adapter
+RUN cabal update && cabal install --lib HUnit
+

haskell/.devcontainer/devcontainer.json

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+{
+    "name": "Haskell Dev Container",
+    "build": {
+        "dockerfile": "Dockerfile"
+    },
+    "customizations": { 
+        "vscode": { "extensions": [ 
+            "haskell.haskell", 
+            "phoityne.phoityne-vscode"
+        ]}
+    }
+}

haskell/.vscode/settings.json

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+{
+    "editor.formatOnSave": true
+}

haskell/.vscode/tasks.json

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+
+{
+  // Automatically created by phoityne-vscode extension.
+
+  "version": "2.0.0",
+  "presentation": {
+    "reveal": "always",
+    "panel": "new"
+  },
+  "tasks": [
+    {
+      // F7
+      "group": {
+        "kind": "build",
+        "isDefault": false
+      },
+      "label": "haskell build",
+      "type": "shell",
+      "command": "cabal configure && cabal build"
+    },
+    {
+      // F6
+      "group": "build",
+      "type": "shell",
+      "label": "haskell clean & build",
+      "command": "cabal clean && cabal configure && cabal build"
+    },
+    {
+      // F8
+      "group": {
+        "kind": "test",
+        "isDefault": true
+      },
+      "type": "shell",
+      "label": "haskell test",
+      "command": "cabal test"
+    },
+    {
+      // F6
+      "isBackground": true,
+      "type": "shell",
+      "label": "haskell watch",
+      "command": "stack build --test --no-run-tests --file-watch"
+    }
+
+    ,
+    {
+      // Build a single Haskell file
+      "type": "shell",
+      "label": "haskell build single file",
+      "command": "ghc",
+      "args": [ "${file}" ],
+      "problemMatcher": [],
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    }
+
+  ]
+}