Trait Context 

pub trait Context<T, E> {
    // Required methods
    fn context<C>(self, context: C) -> Result<T>
       where C: Display + Send + Sync + 'static;
    fn with_context<C, F>(self, context: F) -> Result<T>
       where C: Display + Send + Sync + 'static,
             F: FnOnce() -> C;
    fn dot(self) -> Result<T>;
}

Required Methods

fn context<C>(self, context: C) -> Result<T>

where C: Display + Send + Sync + 'static,

fn with_context<C, F>(self, context: F) -> Result<T>

where C: Display + Send + Sync + 'static, F: FnOnce() -> C,

fn dot(self) -> Result<T>

like google map red dot, only record the location info without any context message.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<T> Context<T, Infallible> for Option<T>

where Option<T>: Context<T, Infallible>,

fn context<C>(self, context: C) -> Result<T, Error>

where C: Display + Send + Sync + 'static,

fn with_context<C, F>(self, context: F) -> Result<T, Error>

where C: Display + Send + Sync + 'static, F: FnOnce() -> C,

fn dot(self) -> Result<T>

Implementors

impl<T, E> Context<T, E> for Result<T, E>

where E: Display, Result<T, E>: Context<T, E>,