KumiScript/interpreter/expression/TrueExpression.cs

namespace KumiScript.Interpreter
{
    public class TrueExpression : Expression
    {
        private static TrueExpression? _instance;
        private TrueExpression()
        {
        }

        public static TrueExpression GetInstance()
        {
            if (_instance is null)
                _instance = new TrueExpression();

            return _instance;
        }

        public override bool Equals(Expression expr)
        {
            return expr is TrueExpression;
        }

        public override Expression Eval(Environment env)
        {
            return this;
        }

        public override string ToString()
        {
            return "t";
        }
    }
}