Struct expectest::matchers::BeEmpty

pub struct BeEmpty;

A matcher for be_empty assertions.

Trait Implementations

impl<A> Matcher<A, ()> for BeEmpty where A: IsEmpty + Debug

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

Returns a failure message.

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

Checks if an actual value matches an expected value.