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 Geometry
{
	public value Size
	{
		public:
			i32 Width;
			i32 Height;

			// No body: each parameter is stored in the field of the same name.
			new(i32 Width, i32 Height);

			// Calls the other constructor.
			new(i32 side) : (side, side);

			i32 Area { get => Width * Height; }
	}

	public class Label
	{
		readonly str text;

		public:
			new(str text) { this.text = text; }
			override ToString() : str => "[" + text + "]";
	}

	Main()
	{
		Size square = new Size(4);
		Console.WriteLine(square.Area);
		Console.WriteLine(new Label("ok"));
	}
}

Output

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Input

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

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