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string_operators.py

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+from typing import List
+
+from .operators import FieldOperator
+
+
+class Split(FieldOperator):
+    by: str
+
+    def process_value(self, value: str) -> List[str]:
+        return value.split(self.by)
+
+
+class Join(FieldOperator):
+    by: str
+
+    def process_value(self, value: List[str]) -> str:
+        return self.by.join(value)