dotnet/roslyn

IDE0059 is not always reported

オープン

#52,292 opened on 2021/03/31

 (5 件のコメント) (2 件のリアクション) (0 人の担当者)C# (4,257 件のフォーク)batch import
Area-IDEConcept-Continuous ImprovementFeature - IDE0059help wanted

Repository metrics

Stars
 (20,414 個のスター)
PR merge metrics
 (平均マージ 6d 17h) (30d で 256 merged PRs)

説明

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.

コントリビューターガイド