assertr 0.5.5

Fluent assertions for the Rust programming language.
Documentation 
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pub enum Actual<'t, T> {
    /// Borrowed data.
    Borrowed(&'t T),

    /// Owned data.
    Owned(T),
}

impl<'t, T> Actual<'t, T> {
    /// Unwraps the owned value from this `Actual`.
    ///
    /// # Panics
    ///
    /// Panics if the value is borrowed rather than owned.
    pub fn unwrap_owned(self) -> T {
        match self {
            Actual::Borrowed(_t) => panic!("Cannot `unwrap_owned` a borrowed value."),
            Actual::Owned(t) => t,
        }
    }

    pub fn borrowed(&self) -> &T {
        match self {
            Actual::Borrowed(t) => t,
            Actual::Owned(t) => t,
        }
    }

    pub fn map<U>(self, mapper: impl Fn(Self) -> Actual<'t, U>) -> Actual<'t, U> {
        mapper(self)
    }
}

impl<T> From<T> for Actual<'_, T> {
    fn from(value: T) -> Self {
        Actual::Owned(value)
    }
}

impl<'t, T> From<&'t T> for Actual<'t, T> {
    fn from(value: &'t T) -> Self {
        Actual::Borrowed(value)
    }
}

impl<T> AsRef<T> for Actual<'_, T> {
    fn as_ref(&self) -> &T {
        self.borrowed()
    }
}