This tutorial shows you how to use the C# string interpolation feature to include formatted expression results in a larger string.
至于怎么实现的,也不卖关子了,去这里看代码吧:GitHub - crazybie/cpp_str_interpolation: super simple but powerfull C++ string interpolation and template engine。 P.S. 我知道有人可能会吐槽都在现代C++了还在用这种dirty的方式写代码,我还是坚持那句话:工具是解决问题的,因地制宜地选择才是务实之举。 (其...
String interpolation is a more readable variant of string.Format that was introduced in C# 6. It is identified by $, right before the quotation mark: $"Example". Unlike string.Format, instead of index into an argument array, it uses interpolation expression in a very similar format: {<int...
通过$开头字符串,中间{}作为变量名,可以把字符串代换为变量的字符。 这就是 C# 6.0 新特性: String Interpolation 但是String Interpolation 如何输入一定长度的字符串? 我看到了堆栈炸有大神问了一个问题,刚好我在做的编码工具也遇到命令行输入的不好看,需要格式化,所以就去找下方法。 后来发现,可以在ToString放参...
ExampleGet your own C# Server stringfirstName="John";stringlastName="Doe";stringname=$"My full name is:{firstName}{lastName}";Console.WriteLine(name); Try it Yourself » Also note that you have to use the dollar sign ($) when using the string interpolation method. ...
This example demonstrates basic string interpolation in C#. Program.cs string name = "John Doe"; int age = 34; Console.WriteLine($"{name} is {age} years old"); DateTime now = DateTime.Now; Console.WriteLine($"Today is {now.DayOfWeek}, it's {now:HH:mm}"); ...
欸,看起来有点C语言的味道了,只不过用的是占位符。这种方式已经不错了,但在参数特别多的情况下,还是非常麻烦,另外如果要和表达式结合在一起使用会更加麻烦。为此C#更新版本后,出了一个string interpolation 的语法糖。怎么用呢,让我们把上面的例子再简化一下你就明白了。
In this tutorial, you use your browser to explore the C# string interpolation feature interactively. You write C# code and see the results of compiling and running your code directly in the browser.
These capabilities all result inString.Formatbeing a workhorse that powers a significant percentage of string creation. In fact, it’s so important and useful, C# language syntax was added in C# 6 to make it even more usable. This “string interpolation” functionality enables developers to place...
t=M276https://docs.microsoft.com/zh-cn/dotnet/csharp/tutorials/string-interpolation#code-try-0 对比一下string.Format的方式,我想看下层层包装之后,性能上的差别。 先说下我机器的配置: #region测试代码vara =3;varb =2;varlist =newList<int>();...