Struct bytecodec::combinator::MaxBytes
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pub struct MaxBytes<C> { /* fields omitted */ }
Combinator that will fail if the number of consumed bytes exceeds the specified size.
This is created by calling {DecodeExt, EncodeExt}::max_bytes
method.
Trait Implementations
impl<C: Debug> Debug for MaxBytes<C>
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl<D: Decode> Decode for MaxBytes<D>
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type Item = D::Item
The type of items to be decoded.
fn decode(
&mut self,
buf: &[u8],
eos: Eos
) -> Result<(usize, Option<Self::Item>)>
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&mut self,
buf: &[u8],
eos: Eos
) -> Result<(usize, Option<Self::Item>)>
Consumes the given buffer (a part of a byte sequence), and decodes an item from it. Read more
fn has_terminated(&self) -> bool
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Returns true
if the decoder cannot decode items anymore, otherwise false
. Read more
fn requiring_bytes(&self) -> ByteCount
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Returns the lower bound of the number of bytes needed to decode the next item. Read more
impl<E: Encode> Encode for MaxBytes<E>
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type Item = E::Item
The type of items to be encoded.
fn encode(&mut self, buf: &mut [u8], eos: Eos) -> Result<usize>
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Encodes the items in the encoder and writes the encoded bytes to the given buffer. Read more
fn start_encoding(&mut self, item: Self::Item) -> Result<()>
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Tries to start encoding the given item. Read more
fn requiring_bytes(&self) -> ByteCount
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Returns the number of bytes required to encode all the items in the encoder. Read more
fn is_idle(&self) -> bool
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Returns true
if there are no items to be encoded in the encoder, otherwise false
.
impl<E: ExactBytesEncode> ExactBytesEncode for MaxBytes<E>
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fn exact_requiring_bytes(&self) -> u64
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Returns the exact number of bytes required to encode all the items remaining in the encoder.