Make TaggedValue in basic_units a sequence

dstansby · dstansby · commit 3b3cd60c9f97 · 2021-02-01T13:17:39.000Z
diff --git a/examples/units/basic_units.py b/examples/units/basic_units.py
@@ -154,6 +154,9 @@ def __str__(self):
     def __len__(self):
         return len(self.value)
 
+    def __getitem__(self, key):
+        return TaggedValue(self.value[key], self.unit)
+
     def __iter__(self):
         # Return a generator expression rather than use `yield`, so that
         # TypeError is raised by iter(self) if appropriate when checking for
