rename repl to interpret

examples/interpret.rs

@@ -0,0 +1,25 @@
+use std::io::{self, BufReader, Read};
+use std::fs::File;
+use std::env;
+
+fn main() -> io::Result<()> {
+	let file = env::args()
+		.skip(1)
+		.next()
+		.map(|name| Box::new(File::open(name).expect("failed to open file")));
+
+	let file: Box<dyn Read> = if file.is_none() {
+		Box::new(io::stdin())
+	} else {
+		file.unwrap()
+	};
+
+	for value in lamm::evaluate(BufReader::new(file)) {
+		match value {
+			Ok(v) => println!("{v}"),
+			Err(e) => eprintln!("{e}"),
+		}
+	}
+
+	Ok(())
+}