Struct rd_interface::Context

pub struct Context { /* fields omitted */ }

A context stores a source endpoint, a process info and other any values during connecting.

Implementations

impl Context

pub fn new() -> Context

new a empty context

pub fn insert<I: Serialize>(
    &mut self,
    key: String,
    value: I
) -> Result<(), Error>

Inserts a key-value pair into the context.

pub fn remove<T: DeserializeOwned>(&mut self, key: &str) -> Result<T, Error>

Removes a key from the context, returning the value at the key if the key was previously in the context.

pub fn get<T: DeserializeOwned>(&self, key: &str) -> Result<T, Error>

Returns a value corresponding to the key.

pub fn insert_value(&mut self, key: String, value: Value)

Inserts a key-value pair into the context.

pub fn remove_value(&mut self, key: &str) -> Option<Value>

Removes a key from the context, returning the value at the key if the key was previously in the context.

pub fn get_value(&self, key: &str) -> Option<&Value>

Returns a value corresponding to the key.

pub fn insert_common<T: CommonField>(
    &mut self,
    value: T::Type
) -> Result<(), Error>

Inserts a key-value pair into the context.

pub fn get_common<T: CommonField>(&self) -> Result<T::Type, Error>

Returns a value corresponding to the key.

Trait Implementations

impl Debug for Context

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

Formats the value using the given formatter.