rl_lang/interpreter/stdlib/io/
read_lines.rs

1use crate::{
2    ast::statements::TypeAnnotation,
3    interpreter::{evaluator::Evaluator, values::Value},
4    utils::{errors::Error, span::Span},
5};
6
7pub fn std_read_lines(eval: &mut Evaluator, file: String, span: Span) -> Result<Value, Error> {
8    let data = std::fs::read_to_string(&file)
9        .map_err(|e| {
10            eval.err(
11                format!("read_lines(): failed to read \"{}\": {}", file, e),
12                span,
13            )
14        })?
15        .lines()
16        .map(String::from)
17        .map(Value::String)
18        .collect::<Vec<Value>>();
19
20    Ok(Value::Values {
21        items_type: TypeAnnotation::String,
22        items: data,
23    })
24}

rl_lang/interpreter/stdlib/io/read_lines.rs

rl_lang/interpreter/stdlib/io/
read_lines.rs