Struct serde::de::value::MapDeserializer [−][src]
Expand description
A deserializer that iterates over a map.
Implementations
Trait Implementations
impl<'de, I, E> Deserializer<'de> for MapDeserializer<'de, I, E> where
I: Iterator,
I::Item: Pair,
<I::Item as Pair>::First: IntoDeserializer<'de, E>,
<I::Item as Pair>::Second: IntoDeserializer<'de, E>,
E: Error,
impl<'de, I, E> Deserializer<'de> for MapDeserializer<'de, I, E> where
I: Iterator,
I::Item: Pair,
<I::Item as Pair>::First: IntoDeserializer<'de, E>,
<I::Item as Pair>::Second: IntoDeserializer<'de, E>,
E: Error,
type Error = E
type Error = E
The error type that can be returned if some error occurs during deserialization. Read more
Require the Deserializer
to figure out how to drive the visitor based
on what data type is in the input. Read more
Hint that the Deserialize
type is expecting a sequence of values.
Hint that the Deserialize
type is expecting a sequence of values and
knows how many values there are without looking at the serialized data. Read more
Hint that the Deserialize
type is expecting a bool
value.
Hint that the Deserialize
type is expecting an i8
value.
Hint that the Deserialize
type is expecting an i16
value.
Hint that the Deserialize
type is expecting an i32
value.
Hint that the Deserialize
type is expecting an i64
value.
Hint that the Deserialize
type is expecting an i128
value. Read more
Hint that the Deserialize
type is expecting a u8
value.
Hint that the Deserialize
type is expecting a u16
value.
Hint that the Deserialize
type is expecting a u32
value.
Hint that the Deserialize
type is expecting a u64
value.
Hint that the Deserialize
type is expecting an u128
value. Read more
Hint that the Deserialize
type is expecting a f32
value.
Hint that the Deserialize
type is expecting a f64
value.
Hint that the Deserialize
type is expecting a char
value.
Hint that the Deserialize
type is expecting a string value and does
not benefit from taking ownership of buffered data owned by the
Deserializer
. Read more
Hint that the Deserialize
type is expecting a string value and would
benefit from taking ownership of buffered data owned by the
Deserializer
. Read more
Hint that the Deserialize
type is expecting a byte array and does not
benefit from taking ownership of buffered data owned by the
Deserializer
. Read more
Hint that the Deserialize
type is expecting a byte array and would
benefit from taking ownership of buffered data owned by the
Deserializer
. Read more
Hint that the Deserialize
type is expecting an optional value. Read more
Hint that the Deserialize
type is expecting a unit value.
Hint that the Deserialize
type is expecting a unit struct with a
particular name. Read more
Hint that the Deserialize
type is expecting a newtype struct with a
particular name. Read more
Hint that the Deserialize
type is expecting a tuple struct with a
particular name and number of fields. Read more
Hint that the Deserialize
type is expecting a map of key-value pairs.
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting a struct with a particular
name and fields. Read more
fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Hint that the Deserialize
type is expecting an enum value with a
particular name and possible variants. Read more
Hint that the Deserialize
type is expecting the name of a struct
field or the discriminant of an enum variant. Read more
Hint that the Deserialize
type needs to deserialize a value whose type
doesn’t matter because it is ignored. Read more
Determine whether Deserialize
implementations should expect to
deserialize their human-readable form. Read more
impl<'de, I, E> MapAccess<'de> for MapDeserializer<'de, I, E> where
I: Iterator,
I::Item: Pair,
<I::Item as Pair>::First: IntoDeserializer<'de, E>,
<I::Item as Pair>::Second: IntoDeserializer<'de, E>,
E: Error,
impl<'de, I, E> MapAccess<'de> for MapDeserializer<'de, I, E> where
I: Iterator,
I::Item: Pair,
<I::Item as Pair>::First: IntoDeserializer<'de, E>,
<I::Item as Pair>::Second: IntoDeserializer<'de, E>,
E: Error,
type Error = E
type Error = E
The error type that can be returned if some error occurs during deserialization. Read more
fn next_key_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error> where
T: DeserializeSeed<'de>,
fn next_key_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Self::Error> where
T: DeserializeSeed<'de>,
This returns Ok(Some(key))
for the next key in the map, or Ok(None)
if there are no more remaining entries. Read more
fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, Self::Error> where
T: DeserializeSeed<'de>,
fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, Self::Error> where
T: DeserializeSeed<'de>,
This returns a Ok(value)
for the next value in the map. Read more
fn next_entry_seed<TK, TV>(
&mut self,
kseed: TK,
vseed: TV
) -> Result<Option<(TK::Value, TV::Value)>, Self::Error> where
TK: DeserializeSeed<'de>,
TV: DeserializeSeed<'de>,
fn next_entry_seed<TK, TV>(
&mut self,
kseed: TK,
vseed: TV
) -> Result<Option<(TK::Value, TV::Value)>, Self::Error> where
TK: DeserializeSeed<'de>,
TV: DeserializeSeed<'de>,
This returns Ok(Some((key, value)))
for the next (key-value) pair in
the map, or Ok(None)
if there are no more remaining items. Read more
Returns the number of entries remaining in the map, if known.
This returns Ok(Some(key))
for the next key in the map, or Ok(None)
if there are no more remaining entries. Read more
This returns a Ok(value)
for the next value in the map. Read more
fn next_entry<K, V>(&mut self) -> Result<Option<(K, V)>, Self::Error> where
K: Deserialize<'de>,
V: Deserialize<'de>,
fn next_entry<K, V>(&mut self) -> Result<Option<(K, V)>, Self::Error> where
K: Deserialize<'de>,
V: Deserialize<'de>,
This returns Ok(Some((key, value)))
for the next (key-value) pair in
the map, or Ok(None)
if there are no more remaining items. Read more
impl<'de, I, E> SeqAccess<'de> for MapDeserializer<'de, I, E> where
I: Iterator,
I::Item: Pair,
<I::Item as Pair>::First: IntoDeserializer<'de, E>,
<I::Item as Pair>::Second: IntoDeserializer<'de, E>,
E: Error,
impl<'de, I, E> SeqAccess<'de> for MapDeserializer<'de, I, E> where
I: Iterator,
I::Item: Pair,
<I::Item as Pair>::First: IntoDeserializer<'de, E>,
<I::Item as Pair>::Second: IntoDeserializer<'de, E>,
E: Error,
type Error = E
type Error = E
The error type that can be returned if some error occurs during deserialization. Read more
fn next_element_seed<T>(
&mut self,
seed: T
) -> Result<Option<T::Value>, Self::Error> where
T: DeserializeSeed<'de>,
fn next_element_seed<T>(
&mut self,
seed: T
) -> Result<Option<T::Value>, Self::Error> where
T: DeserializeSeed<'de>,
This returns Ok(Some(value))
for the next value in the sequence, or
Ok(None)
if there are no more remaining items. Read more
Returns the number of elements remaining in the sequence, if known.
This returns Ok(Some(value))
for the next value in the sequence, or
Ok(None)
if there are no more remaining items. Read more
Auto Trait Implementations
impl<'de, I, E> RefUnwindSafe for MapDeserializer<'de, I, E> where
E: RefUnwindSafe,
I: RefUnwindSafe,
<<I as Iterator>::Item as Pair>::Second: RefUnwindSafe,
impl<'de, I, E> Send for MapDeserializer<'de, I, E> where
E: Send,
I: Send,
<<I as Iterator>::Item as Pair>::Second: Send,
impl<'de, I, E> Sync for MapDeserializer<'de, I, E> where
E: Sync,
I: Sync,
<<I as Iterator>::Item as Pair>::Second: Sync,
impl<'de, I, E> Unpin for MapDeserializer<'de, I, E> where
E: Unpin,
I: Unpin,
<<I as Iterator>::Item as Pair>::Second: Unpin,
impl<'de, I, E> UnwindSafe for MapDeserializer<'de, I, E> where
E: UnwindSafe,
I: UnwindSafe,
<<I as Iterator>::Item as Pair>::Second: UnwindSafe,
Blanket Implementations
Mutably borrows from an owned value. Read more