dotnet/roslyn

IDE0059 is not always reported

开放

#52,292 创建于 2021年3月31日

 (5 条评论) (2 个反应) (0 位负责人)C# (4,257 个派生)batch import
Area-IDEConcept-Continuous ImprovementFeature - IDE0059help wanted

仓库指标

星标
 (20,414 个星标)
PR 合并指标
 (平均合并 6天 17小时) (30 天内合并 256 个 PR)

描述

Version Used:

  • .NET 5.0

Code to Reproduce:

    public class TestUnusedVariable
    {
        public void TestUnusedVariableInTrySection()
        {
            try
            {
                var unusedVariable = new object();
            }
            catch { }
        }

        public void TestUnusedVariableWhenUsingSelect()
        {
            var unusedVariable = new object();

            Enumerable.Empty<object>().Select(x => x);
        }

        public void TestUnusedVariableWhenUsingWhere()
        {
            var unusedVariable = new object();

            Enumerable.Empty<object>().Where(_ => true);
        }
    }

Expected Behavior: Warning "IDE0059: Remove unnecessary value assignment" should be reported for each unusedVariable in the code above.

Actual Behavior: Warning "IDE0059" is not reported.

贡献者指南