Trait quick_error::ResultExt [−] [src]

pub trait ResultExt<T, E> {
    fn context<X>(self, x: X) -> Result<T, Context<X, E>>;
}

Result extension trait adding a context method

Required Methods

`fn context<X>(self, x: X) -> Result<T, Context<X, E>>`

The method is use to add context information to current operation

The context data is then used in error constructor to store additional information within error. For example, you may add a filename as a context for file operation. See crate documentation for the actual example.

Implementors

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