using System.Linq.Expressions;

using System.Collections.Generic;

using System;

​

TestClass test = new();

Expression<Func<object>> intFieldIdentifier = () => test.ValueField;

Expression<Func<object>> listFieldIdentifier = () => test.ReferenceField;

Expression<Func<object>> intIdentifier = () => test.SomeInt;

Expression<Func<object>> listIdentifier = () => test.SomeList;

​

Console.WriteLine(CheckExpr<object>(intFieldIdentifier));

Console.WriteLine(CheckExpr<object>(listFieldIdentifier));

Console.WriteLine(CheckExpr<object>(intIdentifier));

Console.WriteLine(CheckExpr<object>(listIdentifier));

​

string CheckExpr<T>(Expression<Func<T>> expr) => expr.Body switch

{

    UnaryExpression _ => "UnaryExpression",

    MemberExpression _ => "MemberExpression",

    _ => "Default hit"

};

​

class TestClass

{

    public int ValueField = 2;

    public List<object> ReferenceField = new();

​

    public int SomeInt { get; set; } = 42;

    public List<object> SomeList { get; set; } = new();

}