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Handle top-level empty list

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greg 2017-12-04 03:01:47 -08:00
parent 6dcf5c7945
commit 07e55ca04e
1 changed files with 1 additions and 1 deletions
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src/rukka_lang/mod.rs
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@ -55,7 +55,7 @@ impl EvaluatorState {
expr @ NumberAtom(_) => expr, expr @ NumberAtom(_) => expr,
List(items) => { List(items) => {
if items.len() == 0 { if items.len() == 0 {
return Err(format!("Empty list")) return Ok(List(items))
} }
let ref first = items[0]; let ref first = items[0];
match first { match first {