8bd0c2c812
This required a lot of little adjustments where we used std's `String` before. In downstream code, this shouldn't be necessary, as you can just do `use rlua::String as LuaString` to disambiguate.
48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
//! This example shows a simple read-evaluate-print-loop (REPL).
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extern crate rlua;
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use rlua::{Lua, MultiValue, Error};
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use std::io::prelude::*;
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use std::io::{stdin, stdout, stderr, BufReader};
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fn main() {
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let lua = Lua::new();
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let mut stdout = stdout();
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let mut stdin = BufReader::new(stdin());
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loop {
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write!(stdout, "> ").unwrap();
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stdout.flush().unwrap();
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let mut line = String::new();
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loop {
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stdin.read_line(&mut line).unwrap();
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match lua.eval::<MultiValue>(&line, None) {
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Ok(values) => {
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println!(
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"{}",
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values
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.iter()
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.map(|value| format!("{:?}", value))
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.collect::<Vec<_>>()
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.join("\t")
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);
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break;
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}
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Err(Error::IncompleteStatement(_)) => {
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// continue reading input and append it to `line`
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write!(stdout, ">> ").unwrap();
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stdout.flush().unwrap();
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}
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Err(e) => {
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writeln!(stderr(), "error: {}", e).unwrap();
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break;
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}
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}
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}
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}
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}
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