Add for curry

src/pydash/functions.py

@@ -242,6 +242,11 @@ def compose_args(self, new_args):
         """Combine `self.args` with `new_args` and return."""
         return tuple(list(self.args) + list(new_args))
 
+    @property
+    def _argcount(self) -> t.Optional[int]:
+        argcount = self.arity - len(self.args) - len(self.kwargs)
+        return argcount if argcount >= 0 else None
+
 
 class CurryOne(Curry[T1, T]):
     def __call__(self, arg_one: T1) -> T:

tests/test_functions.py

@@ -410,6 +410,14 @@ def test_partial_right_argcount():
     assert _.partial_right(lambda x, y, z: x + y + z, 1, 2)._argcount == 1
 
 
+def test_curry_argcount():
+    assert _.curry(lambda x, y, z: x + y + z)(1)._argcount == 2
+
+
+def test_curry_right_argcount():
+    assert _.curry_right(lambda x, y, z: x + y + z)(1)._argcount == 2
+
+
 def test_can_be_used_as_predicate_argcount_is_known():
     def is_positive(x: int) -> bool:
         return x > 0