Multi-node, multi-class IPM example.

Includes a prototype functional initializer system.
NAU-CCL · Feb 14, 2024 · da6c984 · da6c984
1 parent 645c1e9
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diff --git a/doc/devlog/2024-02-12.ipynb b/doc/devlog/2024-02-12.ipynb
diff --git a/epymorph/util.py b/epymorph/util.py
@@ -33,6 +33,13 @@ def call_all(*fs: Callable[[], Any]) -> None:
         f()
 
 
+def or_raise(value: T | None, message: str) -> T:
+    """Enforce that the given value is not None, or else raise an exception."""
+    if value is None:
+        raise Exception(message)
+    return value
+
+
 # collection utilities