c# 6.0 特性

只读属性初始化

static string Hello => @”Hello world , Lind!”; //static string Hello{get;}

属性初始化

static DateTime AddTime { get; set; } = DateTime.Now;

字典初始化

static Dictionary<string, string> dictionary1 = new Dictionary<string, string>
{
[“name”] = “lind”,
[“age”] = “16”
};

string.Format,后台引入了$,而且支持智能提示

static string t2 = $”时间从{DateTime.Now}到{DateTime.Now.AddDays(1)}”;

判断对象是否为空

static Test test = new Test();
static string title = test?.Name;//if(test!=null) title=test.Name;

空集合判断

static List testList = null;

static Test defaultList = testList?[0];

箭头方法

public void ConsolePrint(string msg) => Console.WriteLine(msg);

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