Metadata

ID: csharp-best-practices/use-proper-new-guid

Language: C#

Severity: Notice

Category: Best Practices

Description

This rule will warn you that you have instantiated the Guid struct without a parameter.

For an empty Guid, using Guid.Empty is cleaner.

For a randomly-generated Guid, use Guid.NewGuid() instead.

Non-Compliant Code Examples

public void Foo() {     var foo1 = new Guid();     Guid foo2 = new Guid();     Guid foo3 = new();     var foo4 = default(Guid);     Guid foo5 = default(Guid);     Guid foo6 = default; } 

Compliant Code Examples

public void Foo(byte[] bytes) {     var g1 = Guid.Empty;     var g2 = Guid.NewGuid();     var g3 = new Guid(bytes); } 

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