slac/stdlib/
error.rs

1use thiserror::Error;
2
3use crate::Value;
4
5/// Error types created by [`super::NativeFunction`] calls.
6/// `NativeError::CustomError` can be used for general purpose errors.
7#[allow(clippy::module_name_repetitions)]
8#[derive(Error, Debug, PartialEq)]
9pub enum NativeError {
10    #[error("function \"{0}\" not found")]
11    FunctionNotFound(String),
12    #[error("not enough parameters: \"{0}\" expected")]
13    WrongParameterCount(usize),
14    #[error("wrong parameter type")]
15    WrongParameterType,
16    #[error("index \"{0}\" is out of bounds")]
17    IndexOutOfBounds(usize),
18    #[error("index must not be negative")]
19    IndexNegative,
20    #[error("{0}")]
21    CustomError(String),
22}
23
24impl From<&str> for NativeError {
25    fn from(value: &str) -> Self {
26        Self::CustomError(value.to_string())
27    }
28}
29
30impl From<String> for NativeError {
31    fn from(value: String) -> Self {
32        Self::CustomError(value)
33    }
34}
35
36/// A specialized [`Result`] type for [`super::NativeFunction`] results.
37pub type NativeResult = Result<Value, NativeError>;
slac/stdlib/error.rs

slac/stdlib/
error.rs
