Trait ErrorContext 

pub trait ErrorContext<T> {
    // Required methods
    fn context(self, msg: &str) -> Result<T>;
    fn with_context<F>(self, f: F) -> Result<T>
       where F: FnOnce() -> String;
}

Extension trait for adding context to errors.

Required Methods

fn context(self, msg: &str) -> Result<T>

Adds context to an error.

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

where F: FnOnce() -> String,

Adds context with a lazy 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, E> ErrorContext<T> for Result<T, E>

where E: Into<TermError>,

fn context(self, msg: &str) -> Result<T>

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

where F: FnOnce() -> String,

Implementors