Trait ResultExt 

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

Trait for adding context to errors

Required Methods

fn context(self, msg: impl Into<String>) -> 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 message (only evaluated on error)

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.

Implementors

impl<T> ResultExt<T> for Result<T>