rl_lang/interpreter/stdlib/array/
arr_push.rs

1use crate::{
2    interpreter::{evaluator::Evaluator, values::Value},
3    utils::{errors::Error, span::Span},
4};
5
6pub fn std_arr_push(
7    eval: &mut Evaluator,
8    array: Value,
9    value: Value,
10    span: Span,
11) -> Result<Value, Error> {
12    match array {
13        Value::Values { items_type, items } => {
14            let val_type = Evaluator::infer_type(&value, false);
15            if !Evaluator::types_compatible(&val_type, &items_type) {
16                return Err(eval.err(
17                    format!(
18                        "type mismatch: array expects {:?}, cannot push {:?}",
19                        items_type, val_type
20                    ),
21                    span,
22                ));
23            }
24            let mut v = items;
25            v.push(value);
26            Ok(Value::Values {
27                items_type,
28                items: v,
29            })
30        }
31        other => Err(eval.err(
32            format!("arr_push() accepts only arrays found {}", other.type_name()).to_string(),
33            span,
34        )),
35    }
36}

rl_lang/interpreter/stdlib/array/arr_push.rs

rl_lang/interpreter/stdlib/array/
arr_push.rs