Method ptr_offset

arrow-buffer/src/buffer/immutable.rs:109–112

Returns the offset, in bytes, of `Self::ptr` to `Self::data` self.ptr and self.data can be different after slicing or advancing the buffer.

(&self)

    ///
    /// self.ptr and self.data can be different after slicing or advancing the buffer.
    pub fn ptr_offset(&self) -> usize {
        // Safety: `ptr` is always in bounds of `data`.
        unsafe { self.ptr.offset_from(self.data.ptr().as_ptr()) as usize }
    }

    /// Returns the pointer to the start of the buffer without the offset.
    pub fn data_ptr(&self) -> NonNull<u8> {