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;

// A block body.
Gcd(i64 a, i64 b) : i64
{
	loop (b != 0)
	{
		i64 t = a % b;
		a = b;
		b = t;
	}
	return a;
}

// An expression body.
Square(i32 x) : i32 => x * x;

// No result: the function returns nothing.
Report(str label, i64 value)
{
	Console.WriteLine(label + ": " + value);
}

Main()
{
	Report("gcd", Gcd(84, 36));
	Report("square", Square(9));
}

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.