Alek Ratzloff
902da3f2f3
* VM is able to handle basic runtime errors although there is no way to catch this in executing code currently * If a function is called with the wrong number of arguments (arity) it will invoke a runtime error. Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
25 lines
549 B
Rust
25 lines
549 B
Rust
use crate::obj::prelude::*;
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use snafu::Snafu;
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#[derive(Debug, Snafu)]
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pub enum Error {
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#[snafu(display("missing attribute: {}", global_sym_lookup(*attr).unwrap()))]
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MissingAttr {
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attr: Sym,
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},
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#[snafu(display("{}", error))]
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ValueError {
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error: String,
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value: ObjRef,
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},
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#[snafu(display("incorrect function arity; expected {} but got {} instead", expected, got))]
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ArityError {
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expected: usize,
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got: usize,
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},
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}
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pub type Result<T, E = Error> = std::result::Result<T, E>;
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