Enum webdriver::common::Nullable

pub enum Nullable<T: ToJson> {
    Value(T),
    Null,
}

Variants

Value(T)Null

Methods

impl<T: ToJson> Nullable<T>

pub fn is_null(&self) -> bool

pub fn is_value(&self) -> bool

pub fn map<F, U: ToJson>(self, f: F) -> Nullable<U> where
    F: FnOnce(T) -> U, 

impl<T: ToJson> Nullable<T>

pub fn from_json<F: FnOnce(&Json) -> WebDriverResult<T>>(
    value: &Json,
    f: F
) -> WebDriverResult<Nullable<T>>

Trait Implementations

impl<T: Clone + ToJson> Clone for Nullable<T>

fn clone(&self) -> Nullable<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug + ToJson> Debug for Nullable<T>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: PartialEq + ToJson> PartialEq for Nullable<T>

fn eq(&self, __arg_0: &Nullable<T>) -> bool

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

fn ne(&self, __arg_0: &Nullable<T>) -> bool

This method tests for !=.

impl<T: ToJson> ToJson for Nullable<T>

fn to_json(&self) -> Json

Converts the value of self to an instance of JSON

impl<T: ToJson> Encodable for Nullable<T>

fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>

Serialize a value using an Encoder.

impl<T: ToJson> Into<Option<T>> for Nullable<T>

fn into(self) -> Option<T>

Performs the conversion.

impl<T: ToJson> From<Option<T>> for Nullable<T>

fn from(option: Option<T>) -> Nullable<T>

Performs the conversion.