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Analyzer: nilerr checks returning nil when err is not nil

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gostaticanalysis/nilerr

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pkg.go.dev

nilerr finds code which returns nil even though it checks that error is not nil.

funcf()error {err:=do()iferr!=nil {returnnil// miss}}

nilerr also finds code which returns error even though it checks that error is nil.

funcf()error {err:=do()iferr==nil {returnerr// miss}}

nilerr ignores code which has a miss with ignore comment.

funcf()error {err:=do()iferr!=nil {//lint:ignore nilerr reasonreturnnil// ignore}}

How to use

$ go install github.com/gostaticanalysis/nilerr/cmd/nilerr@latest$ nilerr ./...

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