Struct mongodb::Decoder

pub struct Decoder { /* fields omitted */ }

Serde Decoder

Methods

impl Decoder

pub fn new(value: Bson) -> Decoder

Trait Implementations

impl<'de> Deserializer<'de> for Decoder

type Error = DecoderError

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

fn deserialize_any<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, DecoderError> 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 as Visitor<'de>>::Value, DecoderError> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting an optional value.

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

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

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

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

fn deserialize_bool<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder as Deserializer<'de>>::Error> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting a bool value.

fn deserialize_u8<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder as Deserializer<'de>>::Error> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting a u64 value.

fn deserialize_i8<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder as Deserializer<'de>>::Error> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting an i64 value.

fn deserialize_f32<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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_unit<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder as Deserializer<'de>>::Error> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit value.

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

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

fn deserialize_bytes<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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_map<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder as Deserializer<'de>>::Error> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting a map of key-value pairs.

fn deserialize_unit_struct<V>(     self,     &'static str,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder as Deserializer<'de>>::Error> where     V: Visitor<'de>,

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

fn deserialize_tuple_struct<V>(     self,     &'static str,     usize,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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_struct<V>(     self,     &'static str,     &'static [&'static str],     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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_tuple<V>(     self,     usize,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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_identifier<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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 as Visitor<'de>>::Value, <Decoder 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 deserialize_byte_buf<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Decoder 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_i128<V>(     self,     visitor: V ) -> Result<<V as Visitor<'de>>::Value, Self::Error> where     V: Visitor<'de>,

Hint that the Deserialize type is expecting an i128 value.

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

Hint that the Deserialize type is expecting an u128 value.

fn is_human_readable(&self) -> bool

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