sa4022

var Analyzer = SCAnalyzer.Analyzer

var CheckAddressIsNilQ = pattern.MustParse(
	`(BinaryExpr
		(UnaryExpr "&" _)
		(Or "==" "!=")
		(Builtin "nil"))`)

var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
	Analyzer: &analysis.Analyzer{
		Name:     "SA4022",
		Run:      run,
		Requires: []*analysis.Analyzer{inspect.Analyzer},
	},
	Doc: &lint.Documentation{
		Title:    `Comparing the address of a variable against nil`,
		Text:     `Code such as \"if &x == nil\" is meaningless, because taking the address of a variable always yields a non-nil pointer.`,
		Since:    "2020.1",
		Severity: lint.SeverityWarning,
		MergeIf:  lint.MergeIfAny,
	},
})