/// <summary>
/// Evaluates a given expression for truthiness.
/// </summary>
/// <param name="expressionOrVariableOrText">The value or expression to evaluate.</param>
/// <returns>Whether the expression evaluates with no errors and the result is truthy (Not empty, 0 or false).</returns>
public bool EvaluateTruthy(string expressionOrVariableOrText)
{
string error;
var result = Evaluate(expressionOrVariableOrText, out error);
return(string.IsNullOrWhiteSpace(error) && result != null && TemplateEvaluator.IsTruthy(result));
}