@@ -48,6 +48,9 @@ AR_c: npt.NDArray[np.complex128]
4848AR_m :npt .NDArray [np .timedelta64 ]
4949AR_M :npt .NDArray [np .datetime64 ]
5050AR_O :npt .NDArray [np .object_ ]
51+ AR_S :npt .NDArray [np .bytes_ ]
52+ AR_U :npt .NDArray [np .str_ ]
53+ AR_T :np .ndarray [tuple [Any , ...],np .dtypes .StringDType ]
5154AR_floating :npt .NDArray [np .floating ]
5255AR_number :npt .NDArray [np .number ]
5356AR_Any :npt .NDArray [Any ]
@@ -673,3 +676,45 @@ assert_type(f / AR_floating, npt.NDArray[np.floating])
673676assert_type (f // AR_floating ,npt .NDArray [np .floating ])
674677assert_type (f % AR_floating ,npt .NDArray [np .floating ])
675678assert_type (divmod (f ,AR_floating ),tuple [npt .NDArray [np .floating ],npt .NDArray [np .floating ]])
679+
680+ # character-like
681+
682+ assert_type (AR_S + b"" ,npt .NDArray [np .bytes_ ])
683+ assert_type (AR_S + [b"" ],npt .NDArray [np .bytes_ ])
684+ assert_type ([b"" ]+ AR_S ,npt .NDArray [np .bytes_ ])
685+ assert_type (AR_S + AR_S ,npt .NDArray [np .bytes_ ])
686+
687+ assert_type (AR_U + "" ,npt .NDArray [np .str_ ])
688+ assert_type (AR_U + ["" ],npt .NDArray [np .str_ ])
689+ assert_type ("" + AR_U ,npt .NDArray [np .str_ ])
690+ assert_type (["" ]+ AR_U ,npt .NDArray [np .str_ ])
691+ assert_type (AR_U + AR_U ,npt .NDArray [np .str_ ])
692+
693+ assert_type (AR_T + "" ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
694+ assert_type (AR_T + ["" ],np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
695+ assert_type ("" + AR_T ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
696+ assert_type (["" ]+ AR_T ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
697+ assert_type (AR_T + AR_T ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
698+ assert_type (AR_T + AR_U ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
699+ assert_type (AR_U + AR_T ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
700+
701+ assert_type (AR_S * i ,np .ndarray [tuple [Any , ...],np .dtype [np .bytes_ ]])
702+ assert_type (AR_S * AR_LIKE_i ,np .ndarray [tuple [Any , ...],np .dtype [np .bytes_ ]])
703+ assert_type (AR_S * AR_i ,np .ndarray [tuple [Any , ...],np .dtype [np .bytes_ ]])
704+ assert_type (i * AR_S ,np .ndarray [tuple [Any , ...],np .dtype [np .bytes_ ]])
705+ # mypy incorrectly infers `AR_LIKE_i * AR_S` as `list[int]`
706+ assert_type (AR_i * AR_S ,np .ndarray [tuple [Any , ...],np .dtype [np .bytes_ ]])
707+
708+ assert_type (AR_U * i ,np .ndarray [tuple [Any , ...],np .dtype [np .str_ ]])
709+ assert_type (AR_U * AR_LIKE_i ,np .ndarray [tuple [Any , ...],np .dtype [np .str_ ]])
710+ assert_type (AR_U * AR_i ,np .ndarray [tuple [Any , ...],np .dtype [np .str_ ]])
711+ assert_type (i * AR_U ,np .ndarray [tuple [Any , ...],np .dtype [np .str_ ]])
712+ # mypy incorrectly infers `AR_LIKE_i * AR_U` as `list[int]`
713+ assert_type (AR_i * AR_U ,np .ndarray [tuple [Any , ...],np .dtype [np .str_ ]])
714+
715+ assert_type (AR_T * i ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
716+ assert_type (AR_T * AR_LIKE_i ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
717+ assert_type (AR_T * AR_i ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
718+ assert_type (i * AR_T ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])
719+ # mypy incorrectly infers `AR_LIKE_i * AR_T` as `list[int]`
720+ assert_type (AR_i * AR_T ,np .ndarray [tuple [Any , ...],np .dtypes .StringDType ])