Class UnnecessarilyUsedValue
java.lang.Object
com.google.errorprone.bugpatterns.BugChecker
com.google.errorprone.bugpatterns.checkreturnvalue.UnnecessarilyUsedValue
- All Implemented Interfaces:
BugChecker.AssignmentTreeMatcher, BugChecker.VariableTreeMatcher, Suppressible, Serializable
public final class UnnecessarilyUsedValue
extends BugChecker
implements BugChecker.AssignmentTreeMatcher, BugChecker.VariableTreeMatcher
Checker that warns when capturing the result of an ignorable API into an
unused
variable.- See Also:
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Nested Class Summary
Nested classes/interfaces inherited from class BugChecker
BugChecker.AnnotatedTypeTreeMatcher, BugChecker.AnnotationTreeMatcher, BugChecker.ArrayAccessTreeMatcher, BugChecker.ArrayTypeTreeMatcher, BugChecker.AssertTreeMatcher, BugChecker.AssignmentTreeMatcher, BugChecker.BinaryTreeMatcher, BugChecker.BindingPatternTreeMatcher, BugChecker.BlockTreeMatcher, BugChecker.BreakTreeMatcher, BugChecker.CaseTreeMatcher, BugChecker.CatchTreeMatcher, BugChecker.ClassTreeMatcher, BugChecker.CompilationUnitTreeMatcher, BugChecker.CompoundAssignmentTreeMatcher, BugChecker.ConditionalExpressionTreeMatcher, BugChecker.ContinueTreeMatcher, BugChecker.DoWhileLoopTreeMatcher, BugChecker.EmptyStatementTreeMatcher, BugChecker.EnhancedForLoopTreeMatcher, BugChecker.ExportsTreeMatcher, BugChecker.ExpressionStatementTreeMatcher, BugChecker.ForLoopTreeMatcher, BugChecker.IdentifierTreeMatcher, BugChecker.IfTreeMatcher, BugChecker.ImportTreeMatcher, BugChecker.InstanceOfTreeMatcher, BugChecker.IntersectionTypeTreeMatcher, BugChecker.LabeledStatementTreeMatcher, BugChecker.LambdaExpressionTreeMatcher, BugChecker.LiteralTreeMatcher, BugChecker.MemberReferenceTreeMatcher, BugChecker.MemberSelectTreeMatcher, BugChecker.MethodInvocationTreeMatcher, BugChecker.MethodTreeMatcher, BugChecker.ModifiersTreeMatcher, BugChecker.ModuleTreeMatcher, BugChecker.NewArrayTreeMatcher, BugChecker.NewClassTreeMatcher, BugChecker.OpensTreeMatcher, BugChecker.PackageTreeMatcher, BugChecker.ParameterizedTypeTreeMatcher, BugChecker.ParenthesizedTreeMatcher, BugChecker.PrimitiveTypeTreeMatcher, BugChecker.ProvidesTreeMatcher, BugChecker.RequiresTreeMatcher, BugChecker.ReturnTreeMatcher, BugChecker.SuppressibleTreePathScanner<R,
P>, BugChecker.SwitchExpressionTreeMatcher, BugChecker.SwitchTreeMatcher, BugChecker.SynchronizedTreeMatcher, BugChecker.ThrowTreeMatcher, BugChecker.TryTreeMatcher, BugChecker.TypeCastTreeMatcher, BugChecker.TypeParameterTreeMatcher, BugChecker.UnaryTreeMatcher, BugChecker.UnionTypeTreeMatcher, BugChecker.UsesTreeMatcher, BugChecker.VariableTreeMatcher, BugChecker.WhileLoopTreeMatcher, BugChecker.WildcardTreeMatcher, BugChecker.YieldTreeMatcher -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionmatchAssignment
(AssignmentTree assignmentTree, VisitorState state) matchVariable
(VariableTree variableTree, VisitorState state) Methods inherited from class BugChecker
allNames, buildDescription, buildDescription, buildDescription, canonicalName, customSuppressionAnnotations, defaultSeverity, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, describeMatch, disableable, equals, hashCode, isSuppressed, isSuppressed, isSuppressed, isSuppressed, linkUrl, message, supportsSuppressWarnings, suppressedByAnyOf, suppressedRegions
Methods inherited from class Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface Suppressible
allNames, canonicalName, customSuppressionAnnotations, supportsSuppressWarnings, suppressedByAnyOf
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Constructor Details
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UnnecessarilyUsedValue
public UnnecessarilyUsedValue()
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Method Details
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matchAssignment
- Specified by:
matchAssignment
in interfaceBugChecker.AssignmentTreeMatcher
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matchVariable
- Specified by:
matchVariable
in interfaceBugChecker.VariableTreeMatcher
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