pub unsafe extern "C" fn GrB_Matrix_select_BOOL(
C: *mut GB_Matrix_opaque,
Mask: *mut GB_Matrix_opaque,
accum: *mut GB_BinaryOp_opaque,
op: *mut GB_IndexUnaryOp_opaque,
A: *mut GB_Matrix_opaque,
y: bool,
desc: *mut GB_Descriptor_opaque
) -> i32