- u8vectortype
- u16vectortype
- u32vectortype
- s8vectortype
- s16vectortype
- s32vectortype
- f32vectortype
- f64vectortype
- nonnull-u8vector type
- nonnull-u16vector type
- nonnull-u32vector type
- nonnull-s8vector type
- nonnull-s16vectortype
- nonnull-s32vectortype
- nonnull-f32vectortype
- nonnull-f64vectortype
A SRFI-4 number-vector object, passed as a pointer to its contents. These are allowed only as argument types, not as return types.
The value #f is also allowed and is passed to C as a NULL pointer. For the nonnull- variants, passing #f will raise an exception.