[−][src]Trait concordium_contracts_common::Deserial
The Deserial
trait provides a means of reading structures from byte-sinks
(Read
).
Can be derived using #[derive(Deserial)]
for most cases.
Required methods
pub fn deserial<R: Read>(_source: &mut R) -> ParseResult<Self>
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Attempt to read a structure from a given source, failing if an error occurs during deserialization or reading.
Implementations on Foreign Types
impl<X: Deserial, Y: Deserial> Deserial for (X, Y)
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for u8
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for u16
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for u32
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for u64
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for i8
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for i16
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for i32
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for i64
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for bool
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Deserializing a bool
reads one byte, and returns the value false
if the
byte is 0u8
and true
if the byte is 1u8
, every other value results in
an error.
pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl Deserial for String
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Deserial by reading an u32
representing the number of bytes, then takes
that number of bytes and tries to decode using utf8.
pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl<T: Deserial> Deserial for Box<T>
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pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl<T: Deserial> Deserial for Option<T>
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Deserial by reading one byte, where 0u8
represents None
and 1u8
represents Some
, every other value results in an error.
In the case of Some
we deserialize using the contained T
.
pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl<T: Deserial> Deserial for Vec<T>
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Deserialized by reading an u32
representing the number of elements, then
deserializing that many elements of type T
.
pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl<K: Deserial + Ord, V: Deserial> Deserial for BTreeMap<K, V>
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The deserialization of maps assumes their size as a u32.
WARNING: Deserialization does not ensure
the ordering of the keys, it only ensures that there are no duplicates.
Serializing a BTreeMap
via its Serial
instance will lay out elements
by the increasing order of keys. As a consequence deserializing, and
serializing back is in general not the identity. This could have
consequences if the data is hashed, or the byte representation
is used in some other way directly. In those cases the a canonical
order should be ensured to avoid subtle, difficult to diagnose,
bugs.
pub fn deserial<R: Read>(source: &mut R) -> ParseResult<Self>
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impl<K: Deserial + Ord> Deserial for BTreeSet<K>
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The deserialization of sets assumes their size as a u32.
WARNING: Deserialization does not ensure
the ordering of the keys, it only ensures that there are no duplicates.
Serializing a BTreeSet
via its Serial
instance will lay out elements
by the increasing order. As a consequence deserializing, and
serializing back is in general not the identity. This could have
consequences if the data is hashed, or the byte representation
is used in some other way directly. In those cases the a canonical
order should be ensured to avoid subtle, difficult to diagnose,
bugs.