public static LambdaExpression Demungify(LambdaExpression ex)
{
var visitor = new Demungifier();
var newBody = visitor.Visit(ex.Body);
return(Expression.Lambda(newBody, ex.Parameters.Where(visitor.WasSeen)));
}
public static LambdaExpression Demungify(LambdaExpression ex)
{
var visitor = new Demungifier();
var newBody = visitor.Visit(ex.Body);
var args = ex.Parameters.Where(visitor.WasSeen).ToArray();
var lambda = Expression.Lambda(newBody, args);
if (!args.Any() && !(lambda.Body is ConstantExpression))
{
// evaluate that!
object result = lambda.Compile().DynamicInvoke();
lambda = Expression.Lambda(Expression.Constant(result, newBody.Type));
}
return(lambda);
}
