Struct bson::ordered::OrderedDocument

pub struct OrderedDocument { /* fields omitted */ }

A BSON document represented as an associative HashMap with insertion ordering.

Methods

impl OrderedDocument

pub fn new() -> OrderedDocument

Creates a new empty OrderedDocument.

Important traits for OrderedDocumentIterator<'a>

impl<'a> Iterator for OrderedDocumentIterator<'a> type Item = (&'a String, &'a Bson);

pub fn iter<'a>(&'a self) -> OrderedDocumentIterator<'a>

Gets an iterator over the entries of the map.

pub fn clear(&mut self)

Clears the document, removing all values.

pub fn get(&self, key: &str) -> Option<&Bson>

Returns a reference to the Bson corresponding to the key.

pub fn get_mut(&mut self, key: &str) -> Option<&mut Bson>

Gets a mutable reference to the Bson corresponding to the key

pub fn get_f64(&self, key: &str) -> ValueAccessResult<f64>

Get a floating point value for this key if it exists and has the correct type.

pub fn get_str(&self, key: &str) -> ValueAccessResult<&str>

Get a string slice this key if it exists and has the correct type.

pub fn get_array(&self, key: &str) -> ValueAccessResult<&Array>

Get a reference to an array for this key if it exists and has the correct type.

pub fn get_document(&self, key: &str) -> ValueAccessResult<&Document>

Get a reference to a document for this key if it exists and has the correct type.

pub fn get_bool(&self, key: &str) -> ValueAccessResult<bool>

Get a bool value for this key if it exists and has the correct type.

pub fn is_null(&self, key: &str) -> bool

Returns wether this key has a null value

pub fn get_i32(&self, key: &str) -> ValueAccessResult<i32>

Get an i32 value for this key if it exists and has the correct type.

pub fn get_i64(&self, key: &str) -> ValueAccessResult<i64>

Get an i64 value for this key if it exists and has the correct type.

pub fn get_time_stamp(&self, key: &str) -> ValueAccessResult<i64>

Get a time stamp value for this key if it exists and has the correct type.

pub fn get_binary_generic(&self, key: &str) -> ValueAccessResult<&Vec<u8>>

Get a generic binary value for this key if it exists and has the correct type.

pub fn get_object_id(&self, key: &str) -> ValueAccessResult<&ObjectId>

Get an object id value for this key if it exists and has the correct type.

pub fn get_utc_datetime(&self, key: &str) -> ValueAccessResult<&DateTime<Utc>>

Get a UTC datetime value for this key if it exists and has the correct type.

pub fn contains_key(&self, key: &str) -> bool

Returns true if the map contains a value for the specified key.

Important traits for Keys<'a>

impl<'a> Iterator for Keys<'a> type Item = &'a String;

pub fn keys<'a>(&'a self) -> Keys<'a>

Gets a collection of all keys in the document.

Important traits for Values<'a>

impl<'a> Iterator for Values<'a> type Item = &'a Bson;

pub fn values<'a>(&'a self) -> Values<'a>

Gets a collection of all values in the document.

pub fn len(&self) -> usize

Returns the number of elements in the document.

pub fn is_empty(&self) -> bool

Returns true if the document contains no elements

pub fn insert<KT: Into<String>, BT: Into<Bson>>(     &mut self,     key: KT,     val: BT ) -> Option<Bson>

Sets the value of the entry with the OccupiedEntry's key, and returns the entry's old value. Accepts any type that can be converted into Bson.

pub fn insert_bson(&mut self, key: String, val: Bson) -> Option<Bson>

Sets the value of the entry with the OccupiedEntry's key, and returns the entry's old value.

pub fn remove(&mut self, key: &str) -> Option<Bson>

Takes the value of the entry out of the document, and returns it.

pub fn entry(&mut self, k: String) -> Entry

Trait Implementations

impl<'de> Deserialize<'de> for OrderedDocument

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where     D: Deserializer<'de>,

Deserialize this value given this Deserializer.

impl Clone for OrderedDocument

fn clone(&self) -> OrderedDocument

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for OrderedDocument

fn eq(&self, other: &OrderedDocument) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Default for OrderedDocument

fn default() -> Self

Returns the "default value" for a type.

impl Display for OrderedDocument

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Debug for OrderedDocument

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

Formats the value using the given formatter.

impl IntoIterator for OrderedDocument

type Item = (String, Bson)

The type of the elements being iterated over.

type IntoIter = OrderedDocumentIntoIterator

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<'a> IntoIterator for &'a OrderedDocument

type Item = (&'a String, &'a Bson)

The type of the elements being iterated over.

type IntoIter = OrderedDocumentIterator<'a>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl FromIterator<(String, Bson)> for OrderedDocument

fn from_iter<T: IntoIterator<Item = (String, Bson)>>(iter: T) -> Self

Creates a value from an iterator.

impl From<LinkedHashMap<String, Bson>> for OrderedDocument

fn from(tree: LinkedHashMap<String, Bson>) -> OrderedDocument

Performs the conversion.