Enum ledb::KeyData

pub enum KeyData {
    Int(i64),
    Float(OrderedFloat<f64>),
    String(String),
    Binary(Vec<u8>),
    Bool(bool),
}

The data of key

Variants

Int(i64)

Float(OrderedFloat<f64>)

String(String)

Binary(Vec<u8>)

Bool(bool)

Implementations

impl KeyData

pub fn from_raw(typ: KeyType, raw: &[u8]) -> Result<Self>

Converts binary representation into key data

pub fn as_raw(&self) -> &[u8]

Converts key data into binary representation

pub fn from_val(val: &Value) -> Option<Self>

Converts generic value into key data

pub fn is_empty(&self) -> bool

Value is empty

pub fn as_type(&self, typ: KeyType) -> Option<&KeyData>

Simple data type casting

pub fn to_type(&self, typ: KeyType) -> Option<Cow<KeyData>>

Convert key data into specified type

pub fn get_type(&self) -> KeyType

Get the actual type of key data

Trait Implementations

impl Clone for KeyData

fn clone(&self) -> KeyData

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for KeyData

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for KeyData

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

Deserialize this value from the given Serde deserializer.

impl Eq for KeyData

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

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

Performs the conversion.

impl<'a> From<&'a String> for KeyData

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

Performs the conversion.

impl<'a> From<&'a Vec<u8>> for KeyData

fn from(v: &'a Vec<u8>) -> Self

Performs the conversion.

impl<'a> From<&'a bool> for KeyData

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

Performs the conversion.

impl<'a> From<&'a f64> for KeyData

fn from(v: &'a f64) -> Self

Performs the conversion.

impl<'a> From<&'a i64> for KeyData

fn from(v: &'a i64) -> Self

Performs the conversion.

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

fn from(v: &str) -> Self

Performs the conversion.

impl From<String> for KeyData

fn from(v: String) -> Self

Performs the conversion.

impl From<Vec<u8>> for KeyData

fn from(v: Vec<u8>) -> Self

Performs the conversion.

impl From<bool> for KeyData

fn from(v: bool) -> Self

Performs the conversion.

impl From<f64> for KeyData

fn from(v: f64) -> Self

Performs the conversion.

impl From<i64> for KeyData

fn from(v: i64) -> Self

Performs the conversion.

impl Hash for KeyData

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Ord for KeyData

fn cmp(&self, other: &KeyData) -> Ordering

This method returns an [Ordering] between self and other.

#[must_use]fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl PartialEq<KeyData> for KeyData

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

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

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

This method tests for !=.

impl PartialOrd<KeyData> for KeyData

fn partial_cmp(&self, other: &KeyData) -> Option<Ordering>

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

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

This method tests less than (for self and other) and is used by the < operator.

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

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

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

This method tests greater than (for self and other) and is used by the > operator.

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

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

impl Serialize for KeyData

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl StructuralEq for KeyData

impl StructuralPartialEq for KeyData