Trait ResultExt 

pub trait ResultExt<T> {
    // Required method
    fn with_context<C: Display>(self, f: impl FnOnce() -> C) -> Result<T>;
}

Extension trait for adding context to a Result.

Required Methods

fn with_context<C: Display>(self, f: impl FnOnce() -> C) -> Result<T>

Attach context lazily to the error branch of a result.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T, E: Into<Error>> ResultExt<T> for Result<T, E>

fn with_context<C: Display>(self, f: impl FnOnce() -> C) -> Result<T>

Implementors