tlang-interperter-cs/tlanglib/FunctionCallNode.cs

using System.Collections.Generic;
using System.Linq;

namespace tlang
{
    internal class FunctionCallNode : Node
    {
        public string Text {get;set;}
        public List<Node> Args {get;set;}

        public FunctionCallNode(string text, List<Node> args)
        {
            this.Text = text;
            this.Args = args;
        }

        public override TObject Execute(IScopeEnvironment nodeEnv)
        {
            var n = nodeEnv[Text] as ICallable;
            if(n != null)
            {

                return n.Call(Args.Select<Node,TObject>(e=>e.Execute(nodeEnv)).ToArray());
            }
            return new TUninit();
        }
    }
}