Method stderr

src/assert.rs:479–489

(self, pred: I)

    ///
    #[track_caller]
    pub fn stderr<I, P>(self, pred: I) -> Self
    where
        I: IntoOutputPredicate<P>,
        P: predicates_core::Predicate<[u8]>,
    {
        match self.try_stderr(pred) {
            Ok(v) => v,
            // Called manually so `#[track_caller]` is effective.
            Err(e) => e.panic(),
        }
    }

    /// Variant of [`Assert::stderr`] that returns an [`AssertResult`].
    pub fn try_stderr<I, P>(self, pred: I) -> AssertResult