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Tip #012

using static

C# 6

Code card: using static. Program output: 12 / 7 / 1024

About this tip

using static calls static members without the class name. Fits Console and Math. using static imports a type's static members, so Console.WriteLine becomes WriteLine and Math.Sqrt becomes Sqrt. It is available since C# 6. The key line is using static System.Console in usingstatic.cs.

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Code

usingstatic.cs
using static System.Console;
using static System.Math;


WriteLine(Sqrt(144));
WriteLine(Max(3, 7));
WriteLine(Pow(2, 10));

Output

Output
$ dotnet run usingstatic.cs
12
7
1024