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;
    fn with_operation(self, operation: &str) -> Result<T>;
    fn with_location(self, file: &str, line: u32) -> Result<T>;
}

Enhanced error context trait for better error propagation

Required Methods

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

Add context to an error

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

where F: FnOnce() -> String,

Add context with a lazy-evaluated closure

fn with_operation(self, operation: &str) -> Result<T>

Add operation context for debugging

fn with_location(self, file: &str, line: u32) -> Result<T>

Add location context for debugging

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: Error,

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

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

where F: FnOnce() -> String,

fn with_operation(self, operation: &str) -> Result<T>

fn with_location(self, file: &str, line: u32) -> Result<T>

Implementors