Enum ValueRef 

pub enum ValueRef<'a> {
    Nil,
    Bool(bool),
    Bin(&'a [u8]),
    Extension(ExtensionRef<'a>),
    Number(Number),
    String(&'a str),
    Array(Vec<ValueRef<'a>>),
    Map(Vec<(ValueRef<'a>, ValueRef<'a>)>),
}

Available on crate feature alloc only.

Represents any messagepack value.

Note

Since ValueRef internally uses alloc::vec::Vec, cloning may be computationally expensive.

Variants

Nil

Represents nil format

Bool(bool)

Represents bool format family

Bin(&'a [u8])

Represents bin 8, bin 16 and bin 32

Extension(ExtensionRef<'a>)

Represents ext format family

Number(Number)

Represents int format family and float format family

String(&'a str)

Represents str format family

Array(Vec<ValueRef<'a>>)

Represents array format family

Map(Vec<(ValueRef<'a>, ValueRef<'a>)>)

Represents map format family

Implementations

impl ValueRef<'_>

pub fn is_nil(&self) -> bool

Returns true if the ValueRef is nil

pub fn as_bool(&self) -> Option<bool>

If the ValueRef is boolean, returns contained value.

pub fn as_bin(&self) -> Option<&[u8]>

If the ValueRef is bin, returns contained value.

pub fn as_extension(&self) -> Option<&ExtensionRef<'_>>

If the ValueRef is ext, returns contained value.

pub fn as_number(&self) -> Option<Number>

If the ValueRef is number, returns contained value.

pub fn as_string(&self) -> Option<&str>

If the ValueRef is str, returns contained value.

pub fn as_array(&self) -> Option<&[ValueRef<'_>]>

If the ValueRef is array, returns contained value.

pub fn as_map(&self) -> Option<&[(ValueRef<'_>, ValueRef<'_>)]>

If the ValueRef is map, returns contained value.

Trait Implementations

impl<'a> Clone for ValueRef<'a>

fn clone(&self) -> ValueRef<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for ValueRef<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ValueRef<'de>

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<'de> Deserializer<'de> for &ValueRef<'de>

type Error = Error<Infallible>

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

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.

fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>

where V: Visitor<'de>,

Hint that the Deserialize type is expecting an optional value.

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.

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.

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.

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.

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.

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.

fn deserialize_i128<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>

where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i128 value.

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.

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.

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.

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.

fn deserialize_u128<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>

where V: Visitor<'de>,

Hint that the Deserialize type is expecting an u128 value.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

fn deserialize_seq<V>( self, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::Error>

where V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values.

fn deserialize_tuple<V>( self, len: usize, visitor: V, ) -> Result<V::Value, <Self as Deserializer<'de>>::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.

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.

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.

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.

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.

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.

fn is_human_readable(&self) -> bool

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

impl<'a> From<&'a [u8]> for ValueRef<'a>

fn from(v: &'a [u8]) -> Self

Converts to this type from the input type.

impl<'a> From<&'a str> for ValueRef<'a>

fn from(v: &'a str) -> Self

Converts to this type from the input type.

impl From<()> for ValueRef<'_>

fn from(_: ()) -> Self

Converts to this type from the input type.

impl<'a> From<ExtensionRef<'a>> for ValueRef<'a>

fn from(v: ExtensionRef<'a>) -> Self

Converts to this type from the input type.

impl From<Number> for ValueRef<'_>

fn from(v: Number) -> Self

Converts to this type from the input type.

impl From<ValueRef<'_>> for Value

fn from(v: ValueRef<'_>) -> Self

Converts to this type from the input type.

impl From<bool> for ValueRef<'_>

fn from(v: bool) -> Self

Converts to this type from the input type.

impl From<f32> for ValueRef<'_>

fn from(v: f32) -> Self

Converts to this type from the input type.

impl From<f64> for ValueRef<'_>

fn from(v: f64) -> Self

Converts to this type from the input type.

impl From<i16> for ValueRef<'_>

fn from(v: i16) -> Self

Converts to this type from the input type.

impl From<i32> for ValueRef<'_>

fn from(v: i32) -> Self

Converts to this type from the input type.

impl From<i64> for ValueRef<'_>

fn from(v: i64) -> Self

Converts to this type from the input type.

impl From<i8> for ValueRef<'_>

fn from(v: i8) -> Self

Converts to this type from the input type.

impl From<u16> for ValueRef<'_>

fn from(v: u16) -> Self

Converts to this type from the input type.

impl From<u32> for ValueRef<'_>

fn from(v: u32) -> Self

Converts to this type from the input type.

impl From<u64> for ValueRef<'_>

fn from(v: u64) -> Self

Converts to this type from the input type.

impl From<u8> for ValueRef<'_>

fn from(v: u8) -> Self

Converts to this type from the input type.

impl<'de> IntoDeserializer<'de, Error<Infallible>> for &ValueRef<'de>

type Deserializer = &ValueRef<'de>

The type of the deserializer being converted into.

fn into_deserializer(self) -> Self::Deserializer

Convert this value into a deserializer.

impl<'a> PartialEq for ValueRef<'a>

fn eq(&self, other: &ValueRef<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a> PartialOrd for ValueRef<'a>

fn partial_cmp(&self, other: &ValueRef<'a>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for ValueRef<'_>

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl TryFrom<isize> for ValueRef<'_>

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(v: isize) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<usize> for ValueRef<'_>

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(v: usize) -> Result<Self, Self::Error>

Performs the conversion.

impl<'a> StructuralPartialEq for ValueRef<'a>