Struct bytecodec::combinator::TryMapFrom [−][src]
pub struct TryMapFrom<C, T, E, F> { /* fields omitted */ }
Combinator that tries to convert items into ones that suited to the inner encoder by calling the given function.
This is created by calling EncodeExt::try_map_from
method.
Methods
impl<C, T, E, F> TryMapFrom<C, T, E, F>
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impl<C, T, E, F> TryMapFrom<C, T, E, F>
ⓘImportant traits for &'a mut Rpub fn inner_ref(&self) -> &C
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pub fn inner_ref(&self) -> &C
Returns a reference to the inner encoder.
ⓘImportant traits for &'a mut Rpub fn inner_mut(&mut self) -> &mut C
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pub fn inner_mut(&mut self) -> &mut C
Returns a mutable reference to the inner encoder.
pub fn into_inner(self) -> C
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pub fn into_inner(self) -> C
Takes ownership of this instance and returns the inner encoder.
Trait Implementations
impl<C: Debug, T: Debug, E: Debug, F: Debug> Debug for TryMapFrom<C, T, E, F>
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impl<C: Debug, T: Debug, E: Debug, F: Debug> Debug for TryMapFrom<C, T, E, F>
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<C, T, E, F> Encode for TryMapFrom<C, T, E, F> where
C: Encode,
F: Fn(T) -> Result<C::Item, E>,
Error: From<E>,
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impl<C, T, E, F> Encode for TryMapFrom<C, T, E, F> where
C: Encode,
F: Fn(T) -> Result<C::Item, E>,
Error: From<E>,
type Item = T
The type of items to be encoded.
fn encode(&mut self, buf: &mut [u8], eos: Eos) -> Result<usize>
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fn encode(&mut self, buf: &mut [u8], eos: Eos) -> Result<usize>
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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fn start_encoding(&mut self, item: Self::Item) -> Result<()>
Tries to start encoding the given item. Read more
fn requiring_bytes(&self) -> ByteCount
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fn requiring_bytes(&self) -> ByteCount
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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fn is_idle(&self) -> bool
Returns true
if there are no items to be encoded in the encoder, otherwise false
. Read more
impl<C, T, E, F> SizedEncode for TryMapFrom<C, T, E, F> where
C: SizedEncode,
F: Fn(T) -> Result<C::Item, E>,
Error: From<E>,
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impl<C, T, E, F> SizedEncode for TryMapFrom<C, T, E, F> where
C: SizedEncode,
F: Fn(T) -> Result<C::Item, E>,
Error: From<E>,
fn exact_requiring_bytes(&self) -> u64
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fn exact_requiring_bytes(&self) -> u64
Returns the exact number of bytes required to encode all the items remaining in the encoder.