Update go version
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60
vendor/honnef.co/go/tools/staticcheck/sa9010/sa9010.go
vendored
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60
vendor/honnef.co/go/tools/staticcheck/sa9010/sa9010.go
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package sa9010
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import (
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"go/ast"
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"go/types"
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"honnef.co/go/tools/analysis/code"
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"honnef.co/go/tools/analysis/lint"
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"honnef.co/go/tools/analysis/report"
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"golang.org/x/tools/go/analysis"
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"golang.org/x/tools/go/analysis/passes/inspect"
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)
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var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
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Analyzer: &analysis.Analyzer{
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Name: "SA9010",
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Run: run,
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Requires: []*analysis.Analyzer{inspect.Analyzer},
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},
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Doc: &lint.RawDocumentation{
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Title: `Returned function should be called in defer`,
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Text: `
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If you have a function such as:
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func f() func() {
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// Do something.
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return func() {
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// Do something.
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}
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}
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Then calling that in defer:
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defer f()
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Is almost always a mistake, since you typically want to call the returned
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function:
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defer f()()
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`,
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Since: "2026.2",
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Severity: lint.SeverityWarning,
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MergeIf: lint.MergeIfAll,
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},
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})
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var Analyzer = SCAnalyzer.Analyzer
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func run(pass *analysis.Pass) (any, error) {
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fn := func(n ast.Node) {
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def := n.(*ast.DeferStmt)
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if _, ok := pass.TypesInfo.TypeOf(def.Call).Underlying().(*types.Signature); ok {
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report.Report(pass, def, "deferred return function not called")
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}
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}
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code.Preorder(pass, fn, (*ast.DeferStmt)(nil))
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return nil, nil
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}
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