[jackhill/mal.git] / dart / step0_repl.dart

import 'dart:io';

String READ(String x) => x;

String EVAL(String x) => x;

String PRINT(String x) => x;

String rep(String x) => PRINT(EVAL(READ(x)));

const prompt = 'user> ';
main() {
  while (true) {
    stdout.write(prompt);
    var input = stdin.readLineSync();
    if (input == null) return;
    var output = rep(input);
    stdout.writeln(output);
  }
}
Commit	Line	Data
3934e3f8 HT	1	import 'dart:io';
	2
	3	String READ(String x) => x;
	4
	5	String EVAL(String x) => x;
	6
	7	String PRINT(String x) => x;
	8
	9	String rep(String x) => PRINT(EVAL(READ(x)));
	10
	11	const prompt = 'user> ';
	12	main() {
	13	while (true) {
	14	stdout.write(prompt);
	15	var input = stdin.readLineSync();
	16	if (input == null) return;
	17	var output = rep(input);
	18	stdout.writeln(output);
	19	}
	20	}