Trait expectest::core::Matcher

pub trait Matcher<A, E> {
    fn failure_message(&self, join: Join, actual: &A) -> String;
    fn matches(&self, actual: &A) -> bool;
}

A Matcher trait.

Required methods

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.

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Implementors

impl Matcher<bool, ()> for BeFalse

fn failure_message(&self, join: Join, _: &bool) -> String

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

impl Matcher<bool, ()> for BeTrue

fn failure_message(&self, join: Join, _: &bool) -> String

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

impl<A> Matcher<Option<A>, ()> for BeNone where
    A: Debug, 

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

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

impl<A> Matcher<Option<A>, ()> for BeSome where
    A: Debug, 

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

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

impl<A, E> Matcher<A, E> for BeEqualTo<E> where
    A: PartialEq<E> + Debug,
    E: Debug, 

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

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

impl<A, E> Matcher<A, E> for PartialOrder<E> where
    A: PartialOrd<E> + Debug,
    E: Debug, 

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

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

impl<A, R> Matcher<A, ()> for BeWithinRange<R, A> where
    A: PartialOrd<A> + Debug,
    R: RangeBounds<A> + Debug, 

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

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

impl<A, T> Matcher<Result<A, T>, ()> for BeOk where
    A: Debug,
    T: Debug, 

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

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

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

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

impl<A, T> Matcher<A, ()> for BeEmpty where
    A: Iterator<Item = T> + Clone, 

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

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

impl<A, T> Matcher<A, ()> for HaveCount where
    A: Iterator<Item = T> + Clone, 

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

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

impl<E> Matcher<E, E> for BeCloseTo<E> where
    E: Float + Debug, 

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

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

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