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length() max args check

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This commit is contained in:
ConnorSkees 2020-03-20 10:03:54 -04:00
parent 2db2ab10ca
commit ef480ad1f8
1 changed files with 1 additions and 0 deletions
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1
src/builtin/list.rs
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@ -8,6 +8,7 @@ pub(crate) fn register(f: &mut HashMap<String, Builtin>) {
f.insert( f.insert(
"length".to_owned(), "length".to_owned(),
Box::new(|args, _| { Box::new(|args, _| {
max_args!(args, 1);
let len = match arg!(args, 0, "list") { let len = match arg!(args, 0, "list") {
Value::List(v, _) => Number::from(v.len()), Value::List(v, _) => Number::from(v.len()),
_ => Number::from(1), _ => Number::from(1),