1 files changed, 681 insertions, 0 deletions
diff --git a/vendor/tiff/src/encoder/mod.rs b/vendor/tiff/src/encoder/mod.rs
new file mode 100644
index 0000000..6e39c93
--- /dev/null
+++ b/vendor/tiff/src/encoder/mod.rs
@@ -0,0 +1,681 @@
+pub use tiff_value::*;
+
+use std::{
+    cmp,
+    collections::BTreeMap,
+    convert::{TryFrom, TryInto},
+    io::{self, Seek, Write},
+    marker::PhantomData,
+    mem,
+    num::TryFromIntError,
+};
+
+use crate::{
+    error::TiffResult,
+    tags::{CompressionMethod, ResolutionUnit, Tag},
+    TiffError, TiffFormatError,
+};
+
+pub mod colortype;
+pub mod compression;
+mod tiff_value;
+mod writer;
+
+use self::colortype::*;
+use self::compression::*;
+use self::writer::*;
+
+/// Encoder for Tiff and BigTiff files.
+///
+/// With this type you can get a `DirectoryEncoder` or a `ImageEncoder`
+/// to encode Tiff/BigTiff ifd directories with images.
+///
+/// See `DirectoryEncoder` and `ImageEncoder`.
+///
+/// # Examples
+/// ```
+/// # extern crate tiff;
+/// # fn main() {
+/// # let mut file = std::io::Cursor::new(Vec::new());
+/// # let image_data = vec![0; 100*100*3];
+/// use tiff::encoder::*;
+///
+/// // create a standard Tiff file
+/// let mut tiff = TiffEncoder::new(&mut file).unwrap();
+/// tiff.write_image::<colortype::RGB8>(100, 100, &image_data).unwrap();
+///
+/// // create a BigTiff file
+/// let mut bigtiff = TiffEncoder::new_big(&mut file).unwrap();
+/// bigtiff.write_image::<colortype::RGB8>(100, 100, &image_data).unwrap();
+///
+/// # }
+/// ```
+pub struct TiffEncoder<W, K: TiffKind = TiffKindStandard> {
+    writer: TiffWriter<W>,
+    kind: PhantomData<K>,
+}
+
+/// Constructor functions to create standard Tiff files.
+impl<W: Write + Seek> TiffEncoder<W> {
+    /// Creates a new encoder for standard Tiff files.
+    ///
+    /// To create BigTiff files, use [`new_big`][TiffEncoder::new_big] or
+    /// [`new_generic`][TiffEncoder::new_generic].
+    pub fn new(writer: W) -> TiffResult<TiffEncoder<W, TiffKindStandard>> {
+        TiffEncoder::new_generic(writer)
+    }
+}
+
+/// Constructor functions to create BigTiff files.
+impl<W: Write + Seek> TiffEncoder<W, TiffKindBig> {
+    /// Creates a new encoder for BigTiff files.
+    ///
+    /// To create standard Tiff files, use [`new`][TiffEncoder::new] or
+    /// [`new_generic`][TiffEncoder::new_generic].
+    pub fn new_big(writer: W) -> TiffResult<Self> {
+        TiffEncoder::new_generic(writer)
+    }
+}
+
+/// Generic functions that are available for both Tiff and BigTiff encoders.
+impl<W: Write + Seek, K: TiffKind> TiffEncoder<W, K> {
+    /// Creates a new Tiff or BigTiff encoder, inferred from the return type.
+    pub fn new_generic(writer: W) -> TiffResult<Self> {
+        let mut encoder = TiffEncoder {
+            writer: TiffWriter::new(writer),
+            kind: PhantomData,
+        };
+
+        K::write_header(&mut encoder.writer)?;
+
+        Ok(encoder)
+    }
+
+    /// Create a [`DirectoryEncoder`] to encode an ifd directory.
+    pub fn new_directory(&mut self) -> TiffResult<DirectoryEncoder<W, K>> {
+        DirectoryEncoder::new(&mut self.writer)
+    }
+
+    /// Create an [`ImageEncoder`] to encode an image one slice at a time.
+    pub fn new_image<C: ColorType>(
+        &mut self,
+        width: u32,
+        height: u32,
+    ) -> TiffResult<ImageEncoder<W, C, K, Uncompressed>> {
+        let encoder = DirectoryEncoder::new(&mut self.writer)?;
+        ImageEncoder::new(encoder, width, height)
+    }
+
+    /// Create an [`ImageEncoder`] to encode an image one slice at a time.
+    pub fn new_image_with_compression<C: ColorType, D: Compression>(
+        &mut self,
+        width: u32,
+        height: u32,
+        compression: D,
+    ) -> TiffResult<ImageEncoder<W, C, K, D>> {
+        let encoder = DirectoryEncoder::new(&mut self.writer)?;
+        ImageEncoder::with_compression(encoder, width, height, compression)
+    }
+
+    /// Convenience function to write an entire image from memory.
+    pub fn write_image<C: ColorType>(
+        &mut self,
+        width: u32,
+        height: u32,
+        data: &[C::Inner],
+    ) -> TiffResult<()>
+    where
+        [C::Inner]: TiffValue,
+    {
+        let encoder = DirectoryEncoder::new(&mut self.writer)?;
+        let image: ImageEncoder<W, C, K> = ImageEncoder::new(encoder, width, height)?;
+        image.write_data(data)
+    }
+
+    /// Convenience function to write an entire image from memory with a given compression.
+    pub fn write_image_with_compression<C: ColorType, D: Compression>(
+        &mut self,
+        width: u32,
+        height: u32,
+        compression: D,
+        data: &[C::Inner],
+    ) -> TiffResult<()>
+    where
+        [C::Inner]: TiffValue,
+    {
+        let encoder = DirectoryEncoder::new(&mut self.writer)?;
+        let image: ImageEncoder<W, C, K, D> =
+            ImageEncoder::with_compression(encoder, width, height, compression)?;
+        image.write_data(data)
+    }
+}
+
+/// Low level interface to encode ifd directories.
+///
+/// You should call `finish` on this when you are finished with it.
+/// Encoding can silently fail while this is dropping.
+pub struct DirectoryEncoder<'a, W: 'a + Write + Seek, K: TiffKind> {
+    writer: &'a mut TiffWriter<W>,
+    dropped: bool,
+    // We use BTreeMap to make sure tags are written in correct order
+    ifd_pointer_pos: u64,
+    ifd: BTreeMap<u16, DirectoryEntry<K::OffsetType>>,
+}
+
+impl<'a, W: 'a + Write + Seek, K: TiffKind> DirectoryEncoder<'a, W, K> {
+    fn new(writer: &'a mut TiffWriter<W>) -> TiffResult<Self> {
+        // the previous word is the IFD offset position
+        let ifd_pointer_pos = writer.offset() - mem::size_of::<K::OffsetType>() as u64;
+        writer.pad_word_boundary()?; // TODO: Do we need to adjust this for BigTiff?
+        Ok(DirectoryEncoder {
+            writer,
+            dropped: false,
+            ifd_pointer_pos,
+            ifd: BTreeMap::new(),
+        })
+    }
+
+    /// Write a single ifd tag.
+    pub fn write_tag<T: TiffValue>(&mut self, tag: Tag, value: T) -> TiffResult<()> {
+        let mut bytes = Vec::with_capacity(value.bytes());
+        {
+            let mut writer = TiffWriter::new(&mut bytes);
+            value.write(&mut writer)?;
+        }
+
+        self.ifd.insert(
+            tag.to_u16(),
+            DirectoryEntry {
+                data_type: <T>::FIELD_TYPE.to_u16(),
+                count: value.count().try_into()?,
+                data: bytes,
+            },
+        );
+
+        Ok(())
+    }
+
+    fn write_directory(&mut self) -> TiffResult<u64> {
+        // Start by writing out all values
+        for &mut DirectoryEntry {
+            data: ref mut bytes,
+            ..
+        } in self.ifd.values_mut()
+        {
+            let data_bytes = mem::size_of::<K::OffsetType>();
+
+            if bytes.len() > data_bytes {
+                let offset = self.writer.offset();
+                self.writer.write_bytes(bytes)?;
+                *bytes = vec![0; data_bytes];
+                let mut writer = TiffWriter::new(bytes as &mut [u8]);
+                K::write_offset(&mut writer, offset)?;
+            } else {
+                while bytes.len() < data_bytes {
+                    bytes.push(0);
+                }
+            }
+        }
+
+        let offset = self.writer.offset();
+
+        K::write_entry_count(&mut self.writer, self.ifd.len())?;
+        for (
+            tag,
+            &DirectoryEntry {
+                data_type: ref field_type,
+                ref count,
+                data: ref offset,
+            },
+        ) in self.ifd.iter()
+        {
+            self.writer.write_u16(*tag)?;
+            self.writer.write_u16(*field_type)?;
+            (*count).write(&mut self.writer)?;
+            self.writer.write_bytes(offset)?;
+        }
+
+        Ok(offset)
+    }
+
+    /// Write some data to the tiff file, the offset of the data is returned.
+    ///
+    /// This could be used to write tiff strips.
+    pub fn write_data<T: TiffValue>(&mut self, value: T) -> TiffResult<u64> {
+        let offset = self.writer.offset();
+        value.write(&mut self.writer)?;
+        Ok(offset)
+    }
+
+    /// Provides the number of bytes written by the underlying TiffWriter during the last call.
+    fn last_written(&self) -> u64 {
+        self.writer.last_written()
+    }
+
+    fn finish_internal(&mut self) -> TiffResult<()> {
+        let ifd_pointer = self.write_directory()?;
+        let curr_pos = self.writer.offset();
+
+        self.writer.goto_offset(self.ifd_pointer_pos)?;
+        K::write_offset(&mut self.writer, ifd_pointer)?;
+        self.writer.goto_offset(curr_pos)?;
+        K::write_offset(&mut self.writer, 0)?;
+
+        self.dropped = true;
+
+        Ok(())
+    }
+
+    /// Write out the ifd directory.
+    pub fn finish(mut self) -> TiffResult<()> {
+        self.finish_internal()
+    }
+}
+
+impl<'a, W: Write + Seek, K: TiffKind> Drop for DirectoryEncoder<'a, W, K> {
+    fn drop(&mut self) {
+        if !self.dropped {
+            let _ = self.finish_internal();
+        }
+    }
+}
+
+/// Type to encode images strip by strip.
+///
+/// You should call `finish` on this when you are finished with it.
+/// Encoding can silently fail while this is dropping.
+///
+/// # Examples
+/// ```
+/// # extern crate tiff;
+/// # fn main() {
+/// # let mut file = std::io::Cursor::new(Vec::new());
+/// # let image_data = vec![0; 100*100*3];
+/// use tiff::encoder::*;
+/// use tiff::tags::Tag;
+///
+/// let mut tiff = TiffEncoder::new(&mut file).unwrap();
+/// let mut image = tiff.new_image::<colortype::RGB8>(100, 100).unwrap();
+///
+/// // You can encode tags here
+/// image.encoder().write_tag(Tag::Artist, "Image-tiff").unwrap();
+///
+/// // Strip size can be configured before writing data
+/// image.rows_per_strip(2).unwrap();
+///
+/// let mut idx = 0;
+/// while image.next_strip_sample_count() > 0 {
+///     let sample_count = image.next_strip_sample_count() as usize;
+///     image.write_strip(&image_data[idx..idx+sample_count]).unwrap();
+///     idx += sample_count;
+/// }
+/// image.finish().unwrap();
+/// # }
+/// ```
+/// You can also call write_data function wich will encode by strip and finish
+pub struct ImageEncoder<
+    'a,
+    W: 'a + Write + Seek,
+    C: ColorType,
+    K: TiffKind,
+    D: Compression = Uncompressed,
+> {
+    encoder: DirectoryEncoder<'a, W, K>,
+    strip_idx: u64,
+    strip_count: u64,
+    row_samples: u64,
+    width: u32,
+    height: u32,
+    rows_per_strip: u64,
+    strip_offsets: Vec<K::OffsetType>,
+    strip_byte_count: Vec<K::OffsetType>,
+    dropped: bool,
+    compression: D,
+    _phantom: ::std::marker::PhantomData<C>,
+}
+
+impl<'a, W: 'a + Write + Seek, T: ColorType, K: TiffKind, D: Compression>
+    ImageEncoder<'a, W, T, K, D>
+{
+    fn new(encoder: DirectoryEncoder<'a, W, K>, width: u32, height: u32) -> TiffResult<Self>
+    where
+        D: Default,
+    {
+        Self::with_compression(encoder, width, height, D::default())
+    }
+
+    fn with_compression(
+        mut encoder: DirectoryEncoder<'a, W, K>,
+        width: u32,
+        height: u32,
+        compression: D,
+    ) -> TiffResult<Self> {
+        if width == 0 || height == 0 {
+            return Err(TiffError::FormatError(TiffFormatError::InvalidDimensions(
+                width, height,
+            )));
+        }
+
+        let row_samples = u64::from(width) * u64::try_from(<T>::BITS_PER_SAMPLE.len())?;
+        let row_bytes = row_samples * u64::from(<T::Inner>::BYTE_LEN);
+
+        // Limit the strip size to prevent potential memory and security issues.
+        // Also keep the multiple strip handling 'oiled'
+        let rows_per_strip = {
+            match D::COMPRESSION_METHOD {
+                CompressionMethod::PackBits => 1, // Each row must be packed separately. Do not compress across row boundaries
+                _ => (1_000_000 + row_bytes - 1) / row_bytes,
+            }
+        };
+
+        let strip_count = (u64::from(height) + rows_per_strip - 1) / rows_per_strip;
+
+        encoder.write_tag(Tag::ImageWidth, width)?;
+        encoder.write_tag(Tag::ImageLength, height)?;
+        encoder.write_tag(Tag::Compression, D::COMPRESSION_METHOD.to_u16())?;
+
+        encoder.write_tag(Tag::BitsPerSample, <T>::BITS_PER_SAMPLE)?;
+        let sample_format: Vec<_> = <T>::SAMPLE_FORMAT.iter().map(|s| s.to_u16()).collect();
+        encoder.write_tag(Tag::SampleFormat, &sample_format[..])?;
+        encoder.write_tag(Tag::PhotometricInterpretation, <T>::TIFF_VALUE.to_u16())?;
+
+        encoder.write_tag(Tag::RowsPerStrip, u32::try_from(rows_per_strip)?)?;
+
+        encoder.write_tag(
+            Tag::SamplesPerPixel,
+            u16::try_from(<T>::BITS_PER_SAMPLE.len())?,
+        )?;
+        encoder.write_tag(Tag::XResolution, Rational { n: 1, d: 1 })?;
+        encoder.write_tag(Tag::YResolution, Rational { n: 1, d: 1 })?;
+        encoder.write_tag(Tag::ResolutionUnit, ResolutionUnit::None.to_u16())?;
+
+        Ok(ImageEncoder {
+            encoder,
+            strip_count,
+            strip_idx: 0,
+            row_samples,
+            rows_per_strip,
+            width,
+            height,
+            strip_offsets: Vec::new(),
+            strip_byte_count: Vec::new(),
+            dropped: false,
+            compression: compression,
+            _phantom: ::std::marker::PhantomData,
+        })
+    }
+
+    /// Number of samples the next strip should have.
+    pub fn next_strip_sample_count(&self) -> u64 {
+        if self.strip_idx >= self.strip_count {
+            return 0;
+        }
+
+        let raw_start_row = self.strip_idx * self.rows_per_strip;
+        let start_row = cmp::min(u64::from(self.height), raw_start_row);
+        let end_row = cmp::min(u64::from(self.height), raw_start_row + self.rows_per_strip);
+
+        (end_row - start_row) * self.row_samples
+    }
+
+    /// Write a single strip.
+    pub fn write_strip(&mut self, value: &[T::Inner]) -> TiffResult<()>
+    where
+        [T::Inner]: TiffValue,
+    {
+        let samples = self.next_strip_sample_count();
+        if u64::try_from(value.len())? != samples {
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "Slice is wrong size for strip",
+            )
+            .into());
+        }
+
+        // Write the (possible compressed) data to the encoder.
+        let offset = self.encoder.write_data(value)?;
+        let byte_count = self.encoder.last_written() as usize;
+
+        self.strip_offsets.push(K::convert_offset(offset)?);
+        self.strip_byte_count.push(byte_count.try_into()?);
+
+        self.strip_idx += 1;
+        Ok(())
+    }
+
+    /// Write strips from data
+    pub fn write_data(mut self, data: &[T::Inner]) -> TiffResult<()>
+    where
+        [T::Inner]: TiffValue,
+    {
+        let num_pix = usize::try_from(self.width)?
+            .checked_mul(usize::try_from(self.height)?)
+            .ok_or_else(|| {
+                io::Error::new(
+                    io::ErrorKind::InvalidInput,
+                    "Image width * height exceeds usize",
+                )
+            })?;
+        if data.len() < num_pix {
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidData,
+                "Input data slice is undersized for provided dimensions",
+            )
+            .into());
+        }
+
+        self.encoder
+            .writer
+            .set_compression(self.compression.get_algorithm());
+
+        let mut idx = 0;
+        while self.next_strip_sample_count() > 0 {
+            let sample_count = usize::try_from(self.next_strip_sample_count())?;
+            self.write_strip(&data[idx..idx + sample_count])?;
+            idx += sample_count;
+        }
+
+        self.encoder.writer.reset_compression();
+        self.finish()?;
+        Ok(())
+    }
+
+    /// Set image resolution
+    pub fn resolution(&mut self, unit: ResolutionUnit, value: Rational) {
+        self.encoder
+            .write_tag(Tag::ResolutionUnit, unit.to_u16())
+            .unwrap();
+        self.encoder
+            .write_tag(Tag::XResolution, value.clone())
+            .unwrap();
+        self.encoder.write_tag(Tag::YResolution, value).unwrap();
+    }
+
+    /// Set image resolution unit
+    pub fn resolution_unit(&mut self, unit: ResolutionUnit) {
+        self.encoder
+            .write_tag(Tag::ResolutionUnit, unit.to_u16())
+            .unwrap();
+    }
+
+    /// Set image x-resolution
+    pub fn x_resolution(&mut self, value: Rational) {
+        self.encoder.write_tag(Tag::XResolution, value).unwrap();
+    }
+
+    /// Set image y-resolution
+    pub fn y_resolution(&mut self, value: Rational) {
+        self.encoder.write_tag(Tag::YResolution, value).unwrap();
+    }
+
+    /// Set image number of lines per strip
+    ///
+    /// This function needs to be called before any calls to `write_data` or
+    /// `write_strip` and will return an error otherwise.
+    pub fn rows_per_strip(&mut self, value: u32) -> TiffResult<()> {
+        if self.strip_idx != 0 {
+            return Err(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Cannot change strip size after data was written",
+            )
+            .into());
+        }
+        // Write tag as 32 bits
+        self.encoder.write_tag(Tag::RowsPerStrip, value)?;
+
+        let value: u64 = value as u64;
+        self.strip_count = (self.height as u64 + value - 1) / value;
+        self.rows_per_strip = value;
+
+        Ok(())
+    }
+
+    fn finish_internal(&mut self) -> TiffResult<()> {
+        self.encoder
+            .write_tag(Tag::StripOffsets, K::convert_slice(&self.strip_offsets))?;
+        self.encoder.write_tag(
+            Tag::StripByteCounts,
+            K::convert_slice(&self.strip_byte_count),
+        )?;
+        self.dropped = true;
+
+        self.encoder.finish_internal()
+    }
+
+    /// Get a reference of the underlying `DirectoryEncoder`
+    pub fn encoder(&mut self) -> &mut DirectoryEncoder<'a, W, K> {
+        &mut self.encoder
+    }
+
+    /// Write out image and ifd directory.
+    pub fn finish(mut self) -> TiffResult<()> {
+        self.finish_internal()
+    }
+}
+
+impl<'a, W: Write + Seek, C: ColorType, K: TiffKind, D: Compression> Drop
+    for ImageEncoder<'a, W, C, K, D>
+{
+    fn drop(&mut self) {
+        if !self.dropped {
+            let _ = self.finish_internal();
+        }
+    }
+}
+
+struct DirectoryEntry<S> {
+    data_type: u16,
+    count: S,
+    data: Vec<u8>,
+}
+
+/// Trait to abstract over Tiff/BigTiff differences.
+///
+/// Implemented for [`TiffKindStandard`] and [`TiffKindBig`].
+pub trait TiffKind {
+    /// The type of offset fields, `u32` for normal Tiff, `u64` for BigTiff.
+    type OffsetType: TryFrom<usize, Error = TryFromIntError> + Into<u64> + TiffValue;
+
+    /// Needed for the `convert_slice` method.
+    type OffsetArrayType: ?Sized + TiffValue;
+
+    /// Write the (Big)Tiff header.
+    fn write_header<W: Write>(writer: &mut TiffWriter<W>) -> TiffResult<()>;
+
+    /// Convert a file offset to `Self::OffsetType`.
+    ///
+    /// This returns an error for normal Tiff if the offset is larger than `u32::MAX`.
+    fn convert_offset(offset: u64) -> TiffResult<Self::OffsetType>;
+
+    /// Write an offset value to the given writer.
+    ///
+    /// Like `convert_offset`, this errors if `offset > u32::MAX` for normal Tiff.
+    fn write_offset<W: Write>(writer: &mut TiffWriter<W>, offset: u64) -> TiffResult<()>;
+
+    /// Write the IFD entry count field with the given `count` value.
+    ///
+    /// The entry count field is an `u16` for normal Tiff and `u64` for BigTiff. Errors
+    /// if the given `usize` is larger than the representable values.
+    fn write_entry_count<W: Write>(writer: &mut TiffWriter<W>, count: usize) -> TiffResult<()>;
+
+    /// Internal helper method for satisfying Rust's type checker.
+    ///
+    /// The `TiffValue` trait is implemented for both primitive values (e.g. `u8`, `u32`) and
+    /// slices of primitive values (e.g. `[u8]`, `[u32]`). However, this is not represented in
+    /// the type system, so there is no guarantee that that for all `T: TiffValue` there is also
+    /// an implementation of `TiffValue` for `[T]`. This method works around that problem by
+    /// providing a conversion from `[T]` to some value that implements `TiffValue`, thereby
+    /// making all slices of `OffsetType` usable with `write_tag` and similar methods.
+    ///
+    /// Implementations of this trait should always set `OffsetArrayType` to `[OffsetType]`.
+    fn convert_slice(slice: &[Self::OffsetType]) -> &Self::OffsetArrayType;
+}
+
+/// Create a standard Tiff file.
+pub struct TiffKindStandard;
+
+impl TiffKind for TiffKindStandard {
+    type OffsetType = u32;
+    type OffsetArrayType = [u32];
+
+    fn write_header<W: Write>(writer: &mut TiffWriter<W>) -> TiffResult<()> {
+        write_tiff_header(writer)?;
+        // blank the IFD offset location
+        writer.write_u32(0)?;
+
+        Ok(())
+    }
+
+    fn convert_offset(offset: u64) -> TiffResult<Self::OffsetType> {
+        Ok(Self::OffsetType::try_from(offset)?)
+    }
+
+    fn write_offset<W: Write>(writer: &mut TiffWriter<W>, offset: u64) -> TiffResult<()> {
+        writer.write_u32(u32::try_from(offset)?)?;
+        Ok(())
+    }
+
+    fn write_entry_count<W: Write>(writer: &mut TiffWriter<W>, count: usize) -> TiffResult<()> {
+        writer.write_u16(u16::try_from(count)?)?;
+
+        Ok(())
+    }
+
+    fn convert_slice(slice: &[Self::OffsetType]) -> &Self::OffsetArrayType {
+        slice
+    }
+}
+
+/// Create a BigTiff file.
+pub struct TiffKindBig;
+
+impl TiffKind for TiffKindBig {
+    type OffsetType = u64;
+    type OffsetArrayType = [u64];
+
+    fn write_header<W: Write>(writer: &mut TiffWriter<W>) -> TiffResult<()> {
+        write_bigtiff_header(writer)?;
+        // blank the IFD offset location
+        writer.write_u64(0)?;
+
+        Ok(())
+    }
+
+    fn convert_offset(offset: u64) -> TiffResult<Self::OffsetType> {
+        Ok(offset)
+    }
+
+    fn write_offset<W: Write>(writer: &mut TiffWriter<W>, offset: u64) -> TiffResult<()> {
+        writer.write_u64(offset)?;
+        Ok(())
+    }
+
+    fn write_entry_count<W: Write>(writer: &mut TiffWriter<W>, count: usize) -> TiffResult<()> {
+        writer.write_u64(u64::try_from(count)?)?;
+        Ok(())
+    }
+
+    fn convert_slice(slice: &[Self::OffsetType]) -> &Self::OffsetArrayType {
+        slice
+    }
+}