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use std::fmt;
use std::io::Error;
#[derive(Debug)]
pub struct LayouterError {
pub description: String,
pub io_error: Option<Error>,
}
impl fmt::Display for LayouterError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
if let Some(err) = &self.io_error {
write!(f, "{}", err)
} else {
write!(f, "{}", self.description)
}
}
}
impl std::error::Error for LayouterError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
if let Some(err) = &self.io_error {
Some(err)
} else {
None
}
}
}
impl LayouterError {
pub fn from_description(description: String) -> Self {
Self {
description,
io_error: None,
}
}
pub fn from_io_error(io_error: Error) -> Self {
Self {
description: "IoError".to_string(),
io_error: Some(io_error),
}
}
}
pub type Result<T> = std::result::Result<T, LayouterError>;
