# Deserializer in ron::de - Rust
The RON deserializer.
Keywords: rust, rustlang, rust-lang, Deserializer

# Struct ron::de::Deserializer

source · [−]

    pub struct Deserializer<'de> { /* private fields */ }

Expand description

The RON deserializer.

If you just want to simply deserialize a value, you can use the `from_str` convenience function.

## Implementations

source

### impl<'de> Deserializer<'de>

source

#### pub fn from_str(input: &'de str) -> Result<Self>

source

#### pub fn from_bytes(input: &'de [u8]) -> Result<Self>

source

#### pub fn from_str_with_options(input: &'de str, options: Options) -> Result<Self>

source

#### pub fn from_bytes_with_options(
input: &'de [u8],
options: Options
) -> Result<Self>

source

#### pub fn remainder(&self) -> Cow<'_, str>

source

### impl<'de> Deserializer<'de>

source

#### pub fn end(&mut self) -> Result<()>

Check if the remaining bytes are whitespace only, otherwise return an error.

## Trait Implementations

source

### impl<'de, 'a> Deserializer<'de> for &'a mut Deserializer<'de>

#### type Error = Error

The error type that can be returned if some error occurs during deserialization. Read more

source

#### fn deserialize_any<V>(self, visitor: V) -> Result<V::Value> 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 more

source

#### fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value> 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> 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> 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> 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> 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> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting an `i128` value. Read more

source

#### fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value> 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> 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> 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> 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> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting an `u128` value. Read more

source

#### fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value> 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> 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> 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> 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 more

source

#### fn deserialize_string<V>(self, visitor: V) -> Result<V::Value> 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 more

source

#### fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value> 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 more

source

#### fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value> 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 more

source

#### fn deserialize_option<V>(self, visitor: V) -> Result<V::Value> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting an optional value. Read more

source

#### fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value> 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> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting a unit struct with a particular name. Read more

source

#### fn deserialize_newtype_struct<V>(
self,
name: &'static str,
visitor: V
) -> Result<V::Value> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting a newtype struct with a particular name. Read more

source

#### fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value> 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> 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. Read more

source

#### fn deserialize_tuple_struct<V>(
self,
name: &'static str,
len: usize,
visitor: V
) -> Result<V::Value> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting a tuple struct with a particular name and number of fields. Read more

source

#### fn deserialize_map<V>(self, visitor: V) -> Result<V::Value> 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> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting a struct with a particular name and fields. Read more

source

#### fn deserialize_enum<V>(
self,
_name: &'static str,
_variants: &'static [&'static str],
visitor: V
) -> Result<V::Value> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting an enum value with a particular name and possible variants. Read more

source

#### fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value> where
V: Visitor<'de>,

Hint that the `Deserialize` type is expecting the name of a struct field or the discriminant of an enum variant. Read more

source

#### fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value> where
V: Visitor<'de>,

Hint that the `Deserialize` type needs to deserialize a value whose type doesn’t matter because it is ignored. Read more

source

#### fn is_human_readable(&self) -> bool

Determine whether `Deserialize` implementations should expect to deserialize their human-readable form. Read more

## Auto Trait Implementations

### impl<'de> RefUnwindSafe for Deserializer<'de>

### impl<'de> Send for Deserializer<'de>

### impl<'de> Sync for Deserializer<'de>

### impl<'de> Unpin for Deserializer<'de>

### impl<'de> UnwindSafe for Deserializer<'de>

## Blanket Implementations

source

### impl<T> Any for T where
T: 'static + ?Sized,

source

#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more

source

### impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

### impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

source

### impl<T> From<T> for T

const: unstable · source

#### fn from(t: T) -> T

Returns the argument unchanged.

source

### impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

#### fn into(self) -> U

Calls `U::from(self)`.

That is, this conversion is whatever the implementation of `From<T> for U` chooses to do.

source

### impl<T, U> TryFrom<U> for T where
U: Into<T>,

#### type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

#### fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

source

### impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.