Struct serde::de::value::MapDeserializer
source · pub struct MapDeserializer<'de, I, E>{ /* private fields */ }
Expand description
A deserializer that iterates over a map.
Implementations§
source§impl<'de, I, E> MapDeserializer<'de, I, E>
impl<'de, I, E> MapDeserializer<'de, I, E>
Trait Implementations§
source§impl<'de, I, E> Clone for MapDeserializer<'de, I, E>
impl<'de, I, E> Clone for MapDeserializer<'de, I, E>
source§impl<'de, I, E> Debug for MapDeserializer<'de, I, E>
impl<'de, I, E> Debug for MapDeserializer<'de, I, E>
source§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,
source§fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Require the
Deserializer
to figure out how to drive the visitor based
on what data type is in the input. Read moresource§fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a sequence of values.source§fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
fn deserialize_tuple<V>(
self,
len: usize,
visitor: V
) -> Result<V::Value, Self::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a sequence of values and
knows how many values there are without looking at the serialized data.source§fn deserialize_bool<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_bool<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a bool
value.source§fn deserialize_i8<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i8<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting an i8
value.source§fn deserialize_i16<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i16<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting an i16
value.source§fn deserialize_i32<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i32<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting an i32
value.source§fn deserialize_i64<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i64<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting an i64
value.source§fn deserialize_i128<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_i128<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
source§fn deserialize_u8<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u8<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a u8
value.source§fn deserialize_u16<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u16<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a u16
value.source§fn deserialize_u32<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u32<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a u32
value.source§fn deserialize_u64<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u64<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a u64
value.source§fn deserialize_u128<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_u128<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
source§fn deserialize_f32<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_f32<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a f32
value.source§fn deserialize_f64<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_f64<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a f64
value.source§fn deserialize_char<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_char<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a char
value.source§fn deserialize_str<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_str<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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 moresource§fn deserialize_string<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_string<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a string value and would
benefit from taking ownership of buffered data owned by the
Deserializer
. Read moresource§fn deserialize_bytes<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_bytes<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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 moresource§fn deserialize_byte_buf<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_byte_buf<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a byte array and would
benefit from taking ownership of buffered data owned by the
Deserializer
. Read moresource§fn deserialize_option<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_option<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting an optional value. Read moresource§fn deserialize_unit<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_unit<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a unit value.source§fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_unit_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a unit struct with a
particular name.source§fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a newtype struct with a
particular name.source§fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a tuple struct with a
particular name and number of fields.source§fn deserialize_map<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_map<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a map of key-value pairs.source§fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_struct<V>(
self,
name: &'static str,
fields: &'static [&'static str],
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting a struct with a particular
name and fields.source§fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_enum<V>(
self,
name: &'static str,
variants: &'static [&'static str],
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting an enum value with a
particular name and possible variants.source§fn deserialize_identifier<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_identifier<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type is expecting the name of a struct
field or the discriminant of an enum variant.source§fn deserialize_ignored_any<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_ignored_any<V>(
self,
visitor: V
) -> Result<V::Value, <Self as Deserializer<'de>>::Error>where
V: Visitor<'de>,
Hint that the
Deserialize
type needs to deserialize a value whose type
doesn’t matter because it is ignored. Read moresource§fn is_human_readable(&self) -> bool
fn is_human_readable(&self) -> bool
Determine whether
Deserialize
implementations should expect to
deserialize their human-readable form. Read moresource§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,
source§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 moresource§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 moresource§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 moresource§fn size_hint(&self) -> Option<usize>
fn size_hint(&self) -> Option<usize>
Returns the number of entries remaining in the map, if known.
source§fn next_key<K>(&mut self) -> Result<Option<K>, Self::Error>where
K: Deserialize<'de>,
fn next_key<K>(&mut self) -> Result<Option<K>, Self::Error>where
K: Deserialize<'de>,
This returns
Ok(Some(key))
for the next key in the map, or Ok(None)
if there are no more remaining entries. Read moresource§fn next_value<V>(&mut self) -> Result<V, Self::Error>where
V: Deserialize<'de>,
fn next_value<V>(&mut self) -> Result<V, Self::Error>where
V: Deserialize<'de>,
This returns a
Ok(value)
for the next value in the map. Read moresource§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 moresource§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,
source§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 moresource§fn size_hint(&self) -> Option<usize>
fn size_hint(&self) -> Option<usize>
Returns the number of elements remaining in the sequence, if known.
source§fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>where
T: Deserialize<'de>,
fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>where
T: Deserialize<'de>,
This returns
Ok(Some(value))
for the next value in the sequence, or
Ok(None)
if there are no more remaining items. Read moreAuto Trait Implementations§
impl<'de, I, E> Freeze for MapDeserializer<'de, I, E>
impl<'de, I, E> RefUnwindSafe for MapDeserializer<'de, I, E>
impl<'de, I, E> Send for MapDeserializer<'de, I, E>
impl<'de, I, E> Sync for MapDeserializer<'de, I, E>
impl<'de, I, E> Unpin for MapDeserializer<'de, I, E>
impl<'de, I, E> UnwindSafe for MapDeserializer<'de, I, E>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more