virtual_rust/interpreter/error.rs
1//! Runtime error type for the interpreter.
2
3use std::fmt;
4
5/// An error produced during interpretation (e.g. type mismatch, undefined variable).
6#[derive(Debug)]
7pub struct RuntimeError {
8 pub message: String,
9}
10
11impl RuntimeError {
12 /// Creates a new `RuntimeError` with the given message.
13 pub fn new(message: impl Into<String>) -> Self {
14 RuntimeError {
15 message: message.into(),
16 }
17 }
18}
19
20impl fmt::Display for RuntimeError {
21 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
22 write!(f, "Runtime error: {}", self.message)
23 }
24}