Struct bytecodec::combinator::Peekable [−][src]
pub struct Peekable<D: Decode> { /* fields omitted */ }
Combinator that enables to peek decoded items before calling finish_decoding
method.
This is created by calling DecodeExt::peekable
method.
Methods
impl<D: Decode> Peekable<D>
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impl<D: Decode> Peekable<D>
pub fn peek(&self) -> Option<&D::Item>
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pub fn peek(&self) -> Option<&D::Item>
Returns a reference to the last item decoded (but not finish_decoding
called yet) by the decoder.
pub fn peek_mut(&mut self) -> Option<&mut D::Item>
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pub fn peek_mut(&mut self) -> Option<&mut D::Item>
Returns a mutable reference to the last item decoded (but not finish_decoding
called yet) by the decoder.
ⓘImportant traits for &'a mut Rpub fn inner_ref(&self) -> &D
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pub fn inner_ref(&self) -> &D
Returns a reference to the inner decoder.
ⓘImportant traits for &'a mut Rpub fn inner_mut(&mut self) -> &mut D
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pub fn inner_mut(&mut self) -> &mut D
Returns a mutable reference to the inner decoder.
pub fn into_inner(self) -> D
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pub fn into_inner(self) -> D
Takes ownership of this instance and returns the inner decoder.
Trait Implementations
impl<D: Decode + Debug> Debug for Peekable<D>
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impl<D: Decode + Debug> Debug for Peekable<D>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<D: Decode + Default> Default for Peekable<D>
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impl<D: Decode + Default> Default for Peekable<D>
impl<D: Decode> Decode for Peekable<D>
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impl<D: Decode> Decode for Peekable<D>
type Item = D::Item
The type of items to be decoded.
fn decode(&mut self, buf: &[u8], eos: Eos) -> Result<usize>
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fn decode(&mut self, buf: &[u8], eos: Eos) -> Result<usize>
Consumes the given buffer (a part of a byte sequence), and proceeds the decoding process. Read more
fn finish_decoding(&mut self) -> Result<Self::Item>
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fn finish_decoding(&mut self) -> Result<Self::Item>
Finishes the current decoding process and returns the decoded item. Read more
fn requiring_bytes(&self) -> ByteCount
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fn requiring_bytes(&self) -> ByteCount
Returns the lower bound of the number of bytes needed to decode the next item. Read more
fn is_idle(&self) -> bool
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fn is_idle(&self) -> bool
Returns true
if there are no items to be decoded by the decoder at the next invocation of decode
method, otherwise false
. Read more