Struct expectest::prelude::BeErr

pub struct BeErr<E> {
    // some fields omitted
}

A matcher for be_err assertions for Result<T, E> type.

Methods

impl<E> BeErr<E>

fn value(self, v: E) -> BeErr<E>

Sets new err value.

Trait Implementations

impl<A, E, T> Matcher<Result<T, A>, E> for BeErr<E> where A: PartialEq<E> + Debug, E: Debug, T: Debug

fn failure_message(&self, join: Join, actual: &Result<T, A>) -> String

Returns a failure message.

fn matches(&self, actual: &Result<T, A>) -> bool

Checks if an actual value matches an expected value.