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PiperOrigin-RevId: 575272871

nisaba/scripts/natural_translit/utils/type_op.py

@@ -58,7 +58,7 @@ def value_from_list(some_list, index, exclude=UNSPECIFIED, instead=0):
 
 import logging
 import numbers
-from typing import Dict, Iterable, List, NamedTuple, Tuple, Union
+from typing import Dict, Iterable, List, NamedTuple, Tuple, Union, Callable
 import pynini as pyn
 
 # Custom types
@@ -631,3 +631,11 @@ def in_attribute(
       look_for, get_attribute(thing, attr),
       keys, enf_list, enf_dict, enf_range, allow_none
   )
+
+
+# TODO: Switch to list_op and remove duplicate when  is fixed.
+def apply_foreach(
+    func: Callable[[Valid,], Valid], arg_list: List[Valid]
+) -> list[...]:
+  """Temporary duplicate of apply_foreach in list_op with Valid type."""
+  return [func(*args) for args in arg_list]