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#![cfg(not(feature = "std"))]
extern crate alloc;
use alloc::format;
use alloc::string::{String, ToString};
use err_derive::Error;
#[derive(Debug, Error)]
pub enum FormatError {
#[error(
display = "invalid header (expected: {:?}, got: {:?})",
expected,
found
)]
InvalidHeader { expected: String, found: String },
#[error(display = "missing attribute: {:?}", _0)]
MissingAttribute(String),
}
#[derive(Debug, Error)]
pub enum LoadingError {
#[error(display = "could not decode file")]
FormatError(#[error(source)] FormatError),
#[error(display = "could not find file: {:?}", path)]
NotFound { path: String },
}
/// Verify that our error types implement `From` and `Display`
pub fn test_impl() {
let loading_err: LoadingError = FormatError::MissingAttribute("attr".to_string()).into();
let _ = format!("Error: {}", loading_err);
}
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