How Can Roslyn Simplify C# Expression Evaluation?

Use Roslyn to dynamically dynamically value C#expression

Roslyn script API provides a convenient way to dynamically dynamic value C#expression. By quoting microsoft.codeanalysis.csharp.scripting package, you can use the following methods:

This method avoids the complex code generation and compilation process in the old method. Using the Roslyn script, you can directly use the expression as a string for value, and get the results without creating a assembly set.

<code class="language-csharp">using Microsoft.CodeAnalysis.CSharp.Scripting;

// 求值表达式并返回结果
var result = CSharpScript.EvaluateAsync("1 + 3").Result;

// 求值表达式并指定结果类型
var now = CSharpScript.EvaluateAsync<string>("System.DateTime.Now.ToString()").Result;</code>

For high -level code for value, please refer to the Roslyn script API document to understand how to provide context, reference, and processing more complicated scenarios.

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