Trait genpdf::error::Context

pub trait Context<T> {
    fn context(self, msg: impl Into<String>) -> Result<T, Error>;
    fn with_context<F, S>(self, cb: F) -> Result<T, Error>
    where
        F: Fn() -> S,
        S: Into<String>;
}

Helper trait for creating Error instances.

This trait is inspired by anyhow::Context.

Required methods

fn context(self, msg: impl Into<String>) -> Result<T, Error>

Maps the error to an Error instance with the given message.

fn with_context<F, S>(self, cb: F) -> Result<T, Error> where
    F: Fn() -> S,
    S: Into<String>, 

Maps the error to an Error instance message produced by the given callback.

Implementations on Foreign Types

impl<T, E: Into<ErrorKind>> Context<T> for Result<T, E>

fn context(self, msg: impl Into<String>) -> Result<T, Error>

fn with_context<F, S>(self, cb: F) -> Result<T, Error> where
    F: Fn() -> S,
    S: Into<String>, 

Implementors