Deleted vendor folder

1 files changed, 0 insertions, 724 deletions

diff --git a/vendor/gif/src/reader/decoder.rs b/vendor/gif/src/reader/decoder.rs
deleted file mode 100644
index f0f8eea..0000000
--- a/vendor/gif/src/reader/decoder.rs
+++ /dev/null
@@ -1,724 +0,0 @@
-use std::cmp;
-use std::error;
-use std::fmt;
-use std::io;
-use std::mem;
-use std::default::Default;
-
-use crate::common::{AnyExtension, Block, DisposalMethod, Extension, Frame};
-use crate::reader::DecodeOptions;
-
-use weezl::{BitOrder, decode::Decoder as LzwDecoder, LzwStatus};
-
-/// GIF palettes are RGB
-pub const PLTE_CHANNELS: usize = 3;
-
-/// An error returned in the case of the image not being formatted properly.
-#[derive(Debug)]
-pub struct DecodingFormatError {
-    underlying: Box<dyn error::Error + Send + Sync + 'static>
-}
-
-impl fmt::Display for DecodingFormatError {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(&*self.underlying, fmt)
-    }
-}
-
-impl error::Error for DecodingFormatError {
-    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
-        Some(&*self.underlying as _)
-    }
-}
-
-impl DecodingFormatError {
-    fn new(
-        err: impl Into<Box<dyn error::Error + Send + Sync>>,
-    ) -> Self {
-        DecodingFormatError {
-            underlying: err.into(),
-        }
-    }
-}
-
-#[derive(Debug)]
-/// Decoding error.
-pub enum DecodingError {
-    /// Returned if the image is found to be malformed.
-    Format(DecodingFormatError),
-    /// Wraps `std::io::Error`.
-    Io(io::Error),
-}
-
-impl DecodingError {
-    #[inline]
-    pub(crate) fn format(
-        err: impl Into<Box<dyn error::Error + Send + Sync>>,
-    ) -> Self {
-        DecodingError::Format(DecodingFormatError::new(err))
-    }
-}
-
-impl fmt::Display for DecodingError {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        match *self {
-            DecodingError::Format(ref d) => d.fmt(fmt),
-            DecodingError::Io(ref err) => err.fmt(fmt),
-        }
-    }
-}
-
-impl error::Error for DecodingError {
-    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
-        match *self {
-            DecodingError::Format(ref err) => Some(err),
-            DecodingError::Io(ref err) => Some(err),
-        }
-    }
-}
-
-impl From<io::Error> for DecodingError {
-    fn from(err: io::Error) -> Self {
-        DecodingError::Io(err)
-    }
-}
-
-impl From<DecodingFormatError> for DecodingError {
-    fn from(err: DecodingFormatError) -> Self {
-        DecodingError::Format(err)
-    }
-}
-
-/// Configures how extensions should be handled
-#[derive(PartialEq, Debug)]
-pub enum Extensions {
-    /// Saves all extention data
-    Save,
-    /// Skips the data of unknown extensions
-    /// and extracts the data from known ones
-    Skip
-}
-
-/// Indicates whether a certain object has been decoded
-#[derive(Debug)]
-pub enum Decoded<'a> {
-    /// Decoded nothing.
-    Nothing,
-    /// Global palette.
-    GlobalPalette(Vec<u8>),
-    /// Index of the background color in the global palette.
-    BackgroundColor(u8),
-    /// Decoded the image trailer.
-    Trailer,
-    /// The start of a block.
-    BlockStart(Block),
-    /// Decoded a sub-block. More sub-block are available.
-    ///
-    /// Indicates the label of the extension which might be unknown. A label of `0` is used when
-    /// the sub block does not belong to an extension.
-    SubBlockFinished(AnyExtension, &'a [u8]),
-    /// Decoded the last (or only) sub-block of a block.
-    ///
-    /// Indicates the label of the extension which might be unknown. A label of `0` is used when
-    /// the sub block does not belong to an extension.
-    BlockFinished(AnyExtension, &'a [u8]),
-    /// Decoded all information of the next frame.
-    ///
-    /// The returned frame does **not** contain any owned image data.
-    Frame(&'a Frame<'static>),
-    /// Decoded some data of the current frame.
-    Data(&'a [u8]),
-    /// No more data available the current frame.
-    DataEnd,
-
-}
-
-/// Internal state of the GIF decoder
-#[derive(Debug)]
-enum State {
-    Magic(usize, [u8; 6]),
-    U16Byte1(U16Value, u8),
-    U16(U16Value),
-    Byte(ByteValue),
-    GlobalPalette(usize),
-    BlockStart(Option<Block>),
-    /// Block end, with remaining expected data. NonZero for invalid EOF.
-    BlockEnd(u8),
-    ExtensionBlock(AnyExtension),
-    SkipBlock(usize),
-    LocalPalette(usize),
-    LzwInit(u8),
-    DecodeSubBlock(usize),
-    FrameDecoded,
-    Trailer
-}
-use self::State::*;
-
-/// U16 values that may occur in a GIF image
-#[derive(Debug)]
-enum U16Value {
-    /// Logical screen descriptor width
-    ScreenWidth,
-    /// Logical screen descriptor height
-    ScreenHeight,
-    /// Delay time
-    Delay,
-    /// Left frame offset
-    ImageLeft,
-    /// Top frame offset
-    ImageTop,
-    /// Frame width
-    ImageWidth,
-    /// Frame height
-    ImageHeight,
-}
-
-/// Single byte screen descriptor values
-#[derive(Debug)]
-enum ByteValue {
-    GlobalFlags,
-    Background { table_size: usize },
-    AspectRatio { table_size: usize },
-    ControlFlags,
-    ImageFlags,
-    TransparentIdx,
-    CodeSize,
-}
-
-/// GIF decoder which supports streaming
-pub struct StreamingDecoder {
-    state: Option<State>,
-    lzw_reader: Option<LzwDecoder>,
-    decode_buffer: Vec<u8>,
-    skip_extensions: bool,
-    check_frame_consistency: bool,
-    check_for_end_code: bool,
-    allow_unknown_blocks: bool,
-    version: Version,
-    width: u16,
-    height: u16,
-    global_color_table: Vec<u8>,
-    background_color: [u8; 4],
-    /// ext buffer
-    ext: ExtensionData,
-    /// Frame data
-    current: Option<Frame<'static>>,
-}
-
-/// One version number of the GIF standard.
-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
-#[non_exhaustive]
-pub enum Version {
-    /// Version 87a, from May 1987.
-    V87a,
-    /// Version 89a, from July 1989.
-    V89a,
-}
-
-struct ExtensionData {
-    id: AnyExtension,
-    data: Vec<u8>,
-    is_block_end: bool,
-}
-
-impl StreamingDecoder {
-    /// Creates a new streaming decoder
-    pub fn new() -> StreamingDecoder {
-        let options = DecodeOptions::new();
-        Self::with_options(&options)
-    }
-
-    pub(crate) fn with_options(options: &DecodeOptions) -> Self {
-        StreamingDecoder {
-            state: Some(Magic(0, [0; 6])),
-            lzw_reader: None,
-            decode_buffer: vec![],
-            skip_extensions: true,
-            check_frame_consistency: options.check_frame_consistency,
-            check_for_end_code: options.check_for_end_code,
-            allow_unknown_blocks: options.allow_unknown_blocks,
-            version: Version::V87a,
-            width: 0,
-            height: 0,
-            global_color_table: Vec::new(),
-            background_color: [0, 0, 0, 0xFF],
-            ext: ExtensionData {
-                id: AnyExtension(0),
-                data: Vec::with_capacity(256), // 0xFF + 1 byte length
-                is_block_end: true,
-            },
-            current: None
-        }
-    }
-    
-    /// Updates the internal state of the decoder. 
-    ///
-    /// Returns the number of bytes consumed from the input buffer 
-    /// and the last decoding result.
-    pub fn update<'a>(&'a mut self, mut buf: &[u8])
-    -> Result<(usize, Decoded<'a>), DecodingError> {
-        // NOTE: Do not change the function signature without double-checking the
-        //       unsafe block!
-        let len = buf.len();
-        while buf.len() > 0 && self.state.is_some() {
-            match self.next_state(buf) {
-                Ok((bytes, Decoded::Nothing)) => {
-                    buf = &buf[bytes..]
-                }
-                Ok((bytes, Decoded::Trailer)) => {
-                    buf = &buf[bytes..];
-                    break
-                }
-                Ok((bytes, result)) => {
-                    buf = &buf[bytes..];
-                    return Ok(
-                        (len-buf.len(), 
-                        // This transmute just casts the lifetime away. Since Rust only 
-                        // has SESE regions, this early return cannot be worked out and
-                        // such that the borrow region of self includes the whole block.
-                        // The explixit lifetimes in the function signature ensure that
-                        // this is safe.
-                        // ### NOTE
-                        // To check that everything is sound, return the result without
-                        // the match (e.g. `return Ok(self.next_state(buf)?)`). If
-                        // it compiles the returned lifetime is correct.
-                        unsafe { 
-                            mem::transmute::<Decoded, Decoded>(result)
-                        }
-                    ))
-                }
-                Err(err) => return Err(err)
-            }
-        }
-        Ok((len-buf.len(), Decoded::Nothing))
-        
-    }
-    
-    /// Returns the data of the last extension that has been decoded.
-    pub fn last_ext(&self) -> (AnyExtension, &[u8], bool) {
-        (self.ext.id, &self.ext.data, self.ext.is_block_end)
-    }
-    
-    #[inline(always)]
-    /// Current frame info as a mutable ref.
-    pub fn current_frame_mut<'a>(&'a mut self) -> &'a mut Frame<'static> {
-        self.current.as_mut().unwrap()
-    }
-    
-    #[inline(always)]
-    /// Current frame info as a ref.
-    pub fn current_frame<'a>(&'a self) -> &'a Frame<'static> {
-        self.current.as_ref().unwrap()
-    }
-
-    /// Width of the image
-    pub fn width(&self) -> u16 {
-        self.width
-    }
-
-    /// Height of the image
-    pub fn height(&self) -> u16 {
-        self.height
-    }
-
-    /// The version number of the GIF standard used in this image.
-    ///
-    /// We suppose a minimum of `V87a` compatibility. This value will be reported until we have
-    /// read the version information in the magic header bytes.
-    pub fn version(&self) -> Version {
-        self.version
-    }
-
-    /// Configure whether extensions are saved or skipped.
-    #[deprecated = "Does not work as intended. In fact, doesn't do anything. This may disappear soon."]
-    pub fn set_extensions(&mut self, extensions: Extensions) {
-        self.skip_extensions = match extensions {
-            Extensions::Skip => true,
-            Extensions::Save => false,
-        }
-    }
-
-    fn next_state<'a>(&'a mut self, buf: &[u8]) -> Result<(usize, Decoded<'a>), DecodingError> {
-        macro_rules! goto (
-            ($n:expr, $state:expr) => ({
-                self.state = Some($state); 
-                Ok(($n, Decoded::Nothing))
-            });
-            ($state:expr) => ({
-                self.state = Some($state); 
-                Ok((1, Decoded::Nothing))
-            });
-            ($n:expr, $state:expr, emit $res:expr) => ({
-                self.state = Some($state); 
-                Ok(($n, $res))
-            });
-            ($state:expr, emit $res:expr) => ({
-                self.state = Some($state); 
-                Ok((1, $res))
-            })
-        );
-        
-        let b = buf[0];
-        
-        // Driver should ensure that state is never None
-        let state = self.state.take().unwrap();
-        //println!("{:?}", state);
-        
-        match state {
-            Magic(i, mut version) => if i < 6 {
-                version[i] = b;
-                goto!(Magic(i+1, version))
-            } else if &version[..3] == b"GIF" {
-                self.version = match &version[3..] {
-                    b"87a" => Version::V87a,
-                    b"89a" => Version::V89a,
-                    _ => return Err(DecodingError::format("unsupported GIF version"))
-                };
-                goto!(U16Byte1(U16Value::ScreenWidth, b))
-            } else {
-                Err(DecodingError::format("malformed GIF header"))
-            },
-            U16(next) => goto!(U16Byte1(next, b)),
-            U16Byte1(next, value) => {
-                use self::U16Value::*;
-                let value = ((b as u16) << 8) | value as u16;
-                match (next, value) {
-                    (ScreenWidth, width) => {
-                        self.width = width;
-                        goto!(U16(U16Value::ScreenHeight))
-                    },
-                    (ScreenHeight, height) => {
-                        self.height = height;
-                        goto!(Byte(ByteValue::GlobalFlags))
-                    },
-                    (Delay, delay) => {
-                        self.ext.data.push(value as u8);
-                        self.ext.data.push(b);
-                        self.current_frame_mut().delay = delay;
-                        goto!(Byte(ByteValue::TransparentIdx))
-                    },
-                    (ImageLeft, left) => {
-                        self.current_frame_mut().left = left;
-                        goto!(U16(U16Value::ImageTop))
-                    },
-                    (ImageTop, top) => {
-                        self.current_frame_mut().top = top;
-                        goto!(U16(U16Value::ImageWidth))
-                    },
-                    (ImageWidth, width) => {
-                        self.current_frame_mut().width = width;
-                        goto!(U16(U16Value::ImageHeight))
-                    },
-                    (ImageHeight, height) => {
-                        self.current_frame_mut().height = height;
-                        goto!(Byte(ByteValue::ImageFlags))
-                    }
-                }
-            }
-            Byte(value) => {
-                use self::ByteValue::*;
-                match value {
-                    GlobalFlags => {
-                        let global_table = b & 0x80 != 0;
-                        let entries = if global_table {
-                            let entries = PLTE_CHANNELS*(1 << ((b & 0b111) + 1) as usize);
-                            self.global_color_table.reserve_exact(entries);
-                            entries
-                        } else {
-                            0usize
-                        };
-                        goto!(Byte(Background { table_size: entries }))
-                    },
-                    Background { table_size } => {
-                        goto!(
-                            Byte(AspectRatio { table_size: table_size }),
-                            emit Decoded::BackgroundColor(b)
-                        )
-                    },
-                    AspectRatio { table_size } => {
-                        goto!(GlobalPalette(table_size))
-                    },
-                    ControlFlags => {
-                        self.ext.data.push(b);
-                        let control_flags = b;
-                        if control_flags & 1 != 0 {
-                            // Set to Some(...), gets overwritten later
-                            self.current_frame_mut().transparent = Some(0)
-                        }
-                        self.current_frame_mut().needs_user_input =
-                            control_flags & 0b10 != 0;
-                        self.current_frame_mut().dispose = match DisposalMethod::from_u8(
-                            (control_flags & 0b11100) >> 2
-                        ) {
-                            Some(method) => method,
-                            None => DisposalMethod::Any
-                        };
-                        goto!(U16(U16Value::Delay))
-                    }
-                    TransparentIdx => {
-                        self.ext.data.push(b);
-                        if let Some(ref mut idx) = self.current_frame_mut().transparent {
-                             *idx = b
-                        }
-                        goto!(SkipBlock(0))
-                        //goto!(AwaitBlockEnd)
-                    }
-                    ImageFlags => {
-                        let local_table = (b & 0b1000_0000) != 0;
-                        let interlaced   = (b & 0b0100_0000) != 0;
-                        let table_size  =  b & 0b0000_0111;
-
-                        self.current_frame_mut().interlaced = interlaced;
-
-                        if self.check_frame_consistency {
-                            // Consistency checks.
-                            let (width, height) = (self.width, self.height);
-                            let frame = self.current_frame_mut();
-                            if width.checked_sub(frame.width) < Some(frame.left)
-                                || height.checked_sub(frame.height) < Some(frame.top)
-                            {
-                                return Err(DecodingError::format("frame descriptor is out-of-bounds"))
-                            }
-                        }
-
-                        if local_table {
-                            let entries = PLTE_CHANNELS * (1 << (table_size + 1));
-                            
-                            self.current_frame_mut().palette =
-                                Some(Vec::with_capacity(entries));
-                            goto!(LocalPalette(entries))
-                        } else {
-                            goto!(Byte(CodeSize))
-                        }
-                    },
-                    CodeSize => goto!(LzwInit(b))
-                }
-            }
-            GlobalPalette(left) => {
-                let n = cmp::min(left, buf.len());
-                if left > 0 {
-                    self.global_color_table.extend_from_slice(&buf[..n]);
-                    goto!(n, GlobalPalette(left - n))
-                } else {
-                    let idx = self.background_color[0];
-                    match self.global_color_table.chunks(PLTE_CHANNELS).nth(idx as usize) {
-                        Some(chunk) => self.background_color[..PLTE_CHANNELS]
-                            .copy_from_slice(&chunk[..PLTE_CHANNELS]),
-                        None => self.background_color[0] = 0
-                    }
-                    goto!(BlockStart(Block::from_u8(b)), emit Decoded::GlobalPalette(
-                        mem::replace(&mut self.global_color_table, Vec::new())
-                    ))
-                }
-            }
-            BlockStart(type_) => {
-                match type_ {
-                    Some(Block::Image) => {
-                        self.add_frame();
-                        goto!(U16Byte1(U16Value::ImageLeft, b), emit Decoded::BlockStart(Block::Image))
-                    }
-                    Some(Block::Extension) => {
-                        goto!(ExtensionBlock(AnyExtension(b)), emit Decoded::BlockStart(Block::Extension))
-                    }
-                    Some(Block::Trailer) => {
-                        goto!(0, State::Trailer, emit Decoded::BlockStart(Block::Trailer))
-                    }
-                    None => {
-                        if self.allow_unknown_blocks {
-                            goto!(SkipBlock(b as usize))
-                        } else {
-                            Err(DecodingError::format("unknown block type encountered"))
-                        }
-                    }
-                }
-            }
-            BlockEnd(terminator) => {
-                if terminator == 0 {
-                    if b == Block::Trailer as u8 {
-                        goto!(0, BlockStart(Some(Block::Trailer)))
-                    } else {
-                        goto!(BlockStart(Block::from_u8(b)))
-                    }
-                } else {
-                    return Err(DecodingError::format(
-                        "expected block terminator not found"
-                    ))
-                }
-            }
-            ExtensionBlock(id) => {
-                use Extension::*;
-                self.ext.id = id;
-                self.ext.data.clear();
-                self.ext.data.push(b);
-                if let Some(ext) = Extension::from_u8(id.0) {
-                    match ext {
-                        Control => {
-                            goto!(self.read_control_extension(b)?)
-                        }
-                        Text | Comment | Application => {
-                            goto!(SkipBlock(b as usize))
-                        }
-                    }
-                } else {
-                    return Err(DecodingError::format(
-                        "unknown extention block encountered"
-                    ))
-                }
-            }
-            SkipBlock(left) => {
-                let n = cmp::min(left, buf.len());
-                if left > 0 {
-                    self.ext.data.extend_from_slice(&buf[..n]);
-                    goto!(n, SkipBlock(left - n))
-                } else {
-                    if b == 0 {
-                        self.ext.is_block_end = true;
-                        goto!(BlockEnd(b), emit Decoded::BlockFinished(self.ext.id, &self.ext.data))
-                    } else {
-                        self.ext.is_block_end = false;
-                        goto!(SkipBlock(b as usize), emit Decoded::SubBlockFinished(self.ext.id, &self.ext.data))
-                    }
-                }
-            }
-            LocalPalette(left) => {
-                let n = cmp::min(left, buf.len());
-                if left > 0 {
-                    
-                    self.current_frame_mut().palette
-                        .as_mut().unwrap().extend(buf[..n].iter().cloned());
-                    goto!(n, LocalPalette(left - n))
-                } else {
-                    goto!(LzwInit(b))
-                }
-            }
-            LzwInit(code_size) => {
-                // LZW spec: max 12 bits per code
-                if code_size > 11 {
-                    return Err(DecodingError::format(
-                        "invalid minimal code size"
-                    ))
-                }
-                self.lzw_reader = Some(LzwDecoder::new(BitOrder::Lsb, code_size));
-                goto!(DecodeSubBlock(b as usize), emit Decoded::Frame(self.current_frame_mut()))
-            }
-            DecodeSubBlock(left) => {
-                if left > 0 {
-                    let n = cmp::min(left, buf.len());
-                    let max_bytes = self.current_frame().required_bytes();
-                    let decoder = self.lzw_reader.as_mut().unwrap();
-                    if decoder.has_ended() {
-                        debug_assert!(n > 0, "Made forward progress after LZW end");
-                        return goto!(n, DecodeSubBlock(0), emit Decoded::Data(&[]));
-                    }
-
-                    let mut dummy_target;
-                    let decode_target;
-
-                    if self.decode_buffer.is_empty() {
-                        let size = (1 << 14).min(max_bytes);
-                        self.decode_buffer = vec![0; size];
-                    }
-
-                    if max_bytes == 0 {
-                        dummy_target = [0; 16];
-                        decode_target = &mut dummy_target[..];
-                    } else {
-                        decode_target = self.decode_buffer.as_mut_slice();
-                    }
-
-                    debug_assert!(!decode_target.is_empty(), "LZW decoding can make forward progress.");
-                    let decoded = decoder.decode_bytes(&buf[..n], decode_target);
-
-                    if let Err(err) = decoded.status {
-                        return Err(io::Error::new(io::ErrorKind::InvalidData, &*format!("{:?}", err)).into());
-                    }
-
-                    let bytes = &self.decode_buffer[..decoded.consumed_out.min(max_bytes)];
-                    let consumed = decoded.consumed_in;
-                    goto!(consumed, DecodeSubBlock(left - consumed), emit Decoded::Data(bytes))
-                }  else if b != 0 { // decode next sub-block
-                    goto!(DecodeSubBlock(b as usize))
-                } else {
-                    let max_bytes = self.current_frame().required_bytes();
-                    // The end of the lzw stream is only reached if left == 0 and an additional call
-                    // to `decode_bytes` results in an empty slice.
-                    let decoder = self.lzw_reader.as_mut().unwrap();
-                    // Some mutable bytes to decode into. We need this for forward progress in
-                    // `lzw`. However, in some cases we do not actually need any bytes, when
-                    // `max_bytes` is `0`.
-                    let mut dummy_target;
-                    let decode_target;
-
-                    if self.decode_buffer.is_empty() {
-                        let size = (1 << 14).min(max_bytes);
-                        self.decode_buffer = vec![0; size];
-                    }
-
-                    if max_bytes == 0 {
-                        dummy_target = [0; 16];
-                        decode_target = &mut dummy_target[..];
-                    } else {
-                        decode_target = self.decode_buffer.as_mut_slice();
-                    }
-
-                    debug_assert!(!decode_target.is_empty(), "LZW decoding can make forward progress.");
-                    let decoded = decoder.decode_bytes(&[], decode_target);
-
-                    match decoded.status {
-                        Ok(LzwStatus::Done) | Ok(LzwStatus::Ok) => {},
-                        Ok(LzwStatus::NoProgress) => {
-                            if self.check_for_end_code {
-                                return Err(io::Error::new(io::ErrorKind::InvalidData, "No end code in lzw stream").into());
-                            } else {
-                                self.current = None;
-                                return goto!(0, FrameDecoded, emit Decoded::DataEnd);
-                            }
-                        },
-                        Err(err) => {
-                            return Err(io::Error::new(io::ErrorKind::InvalidData, &*format!("{:?}", err)).into());
-                        }
-                    }
-                    let bytes = &self.decode_buffer[..decoded.consumed_out.min(max_bytes)];
-
-                    if bytes.len() > 0 {
-                        goto!(0, DecodeSubBlock(0), emit Decoded::Data(bytes))
-                    } else {
-                        // end of image data reached
-                        self.current = None;
-                        goto!(0, FrameDecoded, emit Decoded::DataEnd)
-                    }
-                }
-            }
-            FrameDecoded => {
-                goto!(BlockEnd(b))
-            }
-            Trailer => {
-                self.state = None;
-                Ok((1, Decoded::Trailer))
-                //panic!("EOF {:?}", self)
-            }
-        }
-    }
-    
-    fn read_control_extension(&mut self, b: u8) -> Result<State, DecodingError> {
-        self.add_frame();
-        self.ext.data.push(b);
-        if b != 4 {
-            return Err(DecodingError::format(
-                "control extension has wrong length"
-            ))
-        }
-        Ok(Byte(ByteValue::ControlFlags))
-    }
-    
-    fn add_frame(&mut self) {
-        if self.current.is_none() {
-            self.current = Some(Frame::default())
-        }
-    }
-}
-
-#[test]
-fn error_cast() {
-    let _ : Box<dyn error::Error> = DecodingError::Format(DecodingFormatError::new("testing")).into();
-}