rl_lang/interpreter/stdlib/array/
arr_pop.rs

1use crate::{
2    interpreter::{evaluator::Evaluator, values::Value},
3    utils::{errors::Error, span::Span},
4};
5
6pub fn std_arr_pop(eval: &mut Evaluator, array: Value, span: Span) -> Result<Value, Error> {
7    match array {
8        Value::Values {
9            items_type,
10            mut items,
11        } => {
12            if items.is_empty() {
13                return Err(eval.err("arr_pop() called on empty array".to_string(), span));
14            }
15            items.pop();
16            Ok(Value::Values { items_type, items })
17        }
18        _ => Err(eval.err("arr_pop() accepts only arrays".to_string(), span)),
19    }
20}

rl_lang/interpreter/stdlib/array/arr_pop.rs

rl_lang/interpreter/stdlib/array/
arr_pop.rs