Struct expectest::matchers::BeErr

pub struct BeErr;

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

Methods

impl BeErr

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

Returns a new BeErrValue matcher.

Trait Implementations

impl<A, T> Matcher<Result<T, A>, ()> for BeErr where
    A: 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.