Convert to using np.strings

Author: roytsmart

named_arrays/_scalars/scalar_array_functions.py

@@ -946,8 +946,8 @@ def diff(
     )
 
 
-@implements(np.char.mod)
-def char_mod(
+@implements(np.strings.mod)
+def strings_mod(
     a: str | na.AbstractScalarArray,
     values: str | na.AbstractScalarArray,
 ) -> na.ScalarArray:
@@ -960,7 +960,7 @@ def char_mod(
 
     shape = na.shape_broadcasted(a, values)
 
-    result_ndarray = np.char.mod(
+    result_ndarray = np.strings.mod(
         a=a.ndarray_aligned(shape),
         values=values.ndarray_aligned(shape),
     )

named_arrays/_scalars/scalars.py

@@ -325,7 +325,7 @@ def to_string_array(
         if unit is not None:
             a = f"{a}{pad_unit}{unit:{format_unit}}"
 
-        return np.char.mod(
+        return np.strings.mod(
             a=a,
             values=self.value,
         )

named_arrays/tests/test_core.py

@@ -1128,8 +1128,8 @@ def test_diff_1st_order(
                 "%.2f",
             ]
         )
-        def test_char_mod(self, array: na.AbstractArray, a: na.AbstractArray):
-            result = np.char.mod(a, array)
+        def test_strings_mod(self, array: na.AbstractArray, a: na.AbstractArray):
+            result = np.strings.mod(a, array)
             assert isinstance(result, na.AbstractArray)
 
     @pytest.mark.parametrize(