Struct hcontext::HContext

pub struct HContext { /* fields omitted */ }

Hierarchical context.

Methods

impl HContext

pub fn new() -> Self

Created new empty context.

pub fn from(parent: HContext) -> Self

Wraps parent context into new child context. Parent context is consumed.

pub fn with(     self,     key: impl Into<String>,     val: impl Any + Sync + Send + 'static ) -> Self

Sets propery of current context to provided value. If current context has a parent context and property name is used also in parent context, it will be hidded by new value but not replaced. When is parent context unvinded again it will return original property value.

pub fn get<T: 'static>(&self, key: &str) -> Option<&T>

Gets value of property. It recursivelly traverses through chain of parents unit values is found or hierarchy ends

pub fn unwind(self) -> Option<Self>

Retreives parent context from current one. Current context is consumed.