#[derive(Debug)]
pub struct UnknownError {
pub name: String,
pub value: String,
pub expected: Vec<(Vec<String>, String)>,
}
impl std::fmt::Display for UnknownError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"Unknown {} variant {}. \nexpected: ",
self.name, self.value
)?;
for (items, name) in self.expected.iter() {
write!(f, "\n- ")?;
for (index, item) in items.iter().enumerate() {
write!(
f,
"{}{}",
item,
if index == items.len() - 1 { "" } else { " | " }
)?;
}
write!(f, " => {}.", name)?;
}
Ok(())
}
}
impl std::error::Error for UnknownError {}
#[derive(Debug)]
pub struct MissingFieldError(pub String);
impl std::fmt::Display for MissingFieldError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "Did not set the field \"{}\" when building", self.0)
}
}
macro_rules! unknown_error_expected {
($($head:literal $(| $tail:literal)* => $type:literal),*) => {
vec![
$(
(
vec![$head.to_string() $(, $tail.to_string())*],
$type.to_string()
)
),*
]
};
}
pub(crate) use unknown_error_expected;