GU0070

January 8, 2020 ยท View on GitHub

Default-constructed value type with no useful default

TopicValue
IdGU0070
SeverityWarning
EnabledTrue
CategoryGu.Analyzers.Correctness
CodeGU0070DefaultConstructedValueTypeWithNoUsefulDefault

Description

Types declared with struct must have a default constructor, even if there is no semantically sensible default value for that type. Examples include System.Guid and System.DateTime.

Motivation

ADD MOTIVATION HERE

How to fix violations

ADD HOW TO FIX VIOLATIONS HERE

Configure severity

Via ruleset file.

Configure the severity per project, for more info see MSDN.

Via #pragma directive.

#pragma warning disable GU0070 // Default-constructed value type with no useful default
Code violating the rule here
#pragma warning restore GU0070 // Default-constructed value type with no useful default

Or put this at the top of the file to disable all instances.

#pragma warning disable GU0070 // Default-constructed value type with no useful default

Via attribute [SuppressMessage].

[System.Diagnostics.CodeAnalysis.SuppressMessage("Gu.Analyzers.Correctness", 
    "GU0070:Default-constructed value type with no useful default", 
    Justification = "Reason...")]