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use std::fmt::Display;
#[derive(Debug)]
pub enum Error {
DuplicateAttrsKey {
key: String,
},
InvalidKeyType {
given: &'static str,
},
AttributeNotFound {
name: String,
},
TypeError {
expected: &'static str,
actual: &'static str,
},
Incomparable {
lhs: &'static str,
rhs: &'static str,
},
}
impl Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
writeln!(f, "{:?}", self)
}
}
pub type EvalResult<T> = Result<T, Error>;
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