Playground

Write Antril, run it in your browser and share it with a link. Programs are compiled to WebAssembly and run on your machine, not on the server.

import System;

into namespace Demo
{
	Sum(i64 n) : i64
	{
		i64 total = 0;
		loop (i64 i = 0; i < n; i++)
		{
			total += i;
		}
		return total;
	}

	Main()
	{
		Console.WriteLine(Sum(100000000));
	}
}

Output

Press Run (or Ctrl+Enter) to compile and run the program.

Input

What Console.ReadLine() reads, one line at a time.

Ctrl+Enter runs. Tab indents (Shift+Tab outdents); press Esc, then Tab, to leave the editor. A program may run for 10 seconds.