Introduce ChainableArray class and add mapping functions

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
       matrix:
         python:
         - "3.7"  # oldest Python supported by PSF
-        - "3.11"  # newest Python that is stable
+        - "3.13"  # newest Python that is stable
         platform:
         - ubuntu-latest
         - macos-latest
@@ -110,7 +110,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
-        with: {python-version: "3.11"}
+        with: {python-version: "3.12"}
       - name: Retrieve pre-built distribution files
         uses: actions/download-artifact@v3
         with: {name: python-distribution-files, path: dist/}

.pre-commit-config.yaml

@@ -65,3 +65,9 @@ repos:
 #   rev: v2.2.5
 #   hooks:
 #   - id: codespell
+
+- repo: https://github.com/kynan/nbstripout
+  rev: 0.8.1
+  hooks:
+    - id: nbstripout
+      args: [--extra-keys=metadata.kernelspec metadata.language_info]

LICENSE.txt

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2023 Dennis Reinsch
+Copyright (c) 2023-2025 Thomas Hermann and Dennis Reinsch
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal