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use snafu::prelude::*;
#[derive(Debug, Snafu)]
enum InnerError {
InnerVariant,
}
mod error {
use super::InnerError;
use snafu::prelude::*;
#[derive(Debug, Snafu)]
pub(super) enum Error {
// We'll test both of these attributes inside `#[snafu(...)]`
#[snafu(visibility(pub(super)), display("Moo"))]
Alpha {
// Ensure we can have multiple field attributes as well
#[snafu(source, backtrace)]
cause: InnerError,
},
}
}
// Confirm `pub(super)` is applied to the generated struct
#[test]
fn is_visible() {
let _ = error::AlphaSnafu;
}
fn example() -> Result<u8, InnerError> {
InnerVariantSnafu.fail()
}
// Confirm `display("Moo")` is applied to the variant
#[test]
fn has_display() {
let err = example().context(error::AlphaSnafu).unwrap_err();
assert_eq!(format!("{}", err), "Moo");
}
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