Function from_error

crates/core/tests/tests.rs:147–151

()

#[test]
fn from_error() {
    let error = Error::from(TestError(42));
    assert!(error.is::<TestError>());
    assert_eq!(error.downcast_ref::<TestError>().unwrap().0, 42);
}

#[test]
fn into_boxed_dyn_error() {