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The following program is valid go.
package main import ( "fmt" ) func main() { err := fmt.Errorf("%v %#[1]v", struct{ string }{}) fmt.Println(err) }
https://play.golang.com/p/Ymc7t3H_bFR
However it causes go-errorlint to panic due to the indexing operator in the formatting verb.
$ go-errorlint -errorf . panic: runtime error: index out of range [1] with length 1 goroutine 6 [running]: github.com/polyfloyd/go-errorlint/errorlint.verbOrder(...) .../src/github.com/polyfloyd/go-errorlint/errorlint/printf.go:17 github.com/polyfloyd/go-errorlint/errorlint.printfFormatStringVerbs({0xc0000108d0, 0xc0000109f0, 0xc000010900, 0xc000010930, 0xc000010960, 0xc0000109c0, 0xc000010990, {0x0, 0x0, 0x0}}, ...) .../src/github.com/polyfloyd/go-errorlint/errorlint/lint.go:106 +0x3c5 github.com/polyfloyd/go-errorlint/errorlint.LintFmtErrorfCalls(0x0?, {0xc0000108d0, 0xc0000109f0, 0xc000010900, 0xc000010930, 0xc000010960, 0xc0000109c0, 0xc000010990, {0x0, 0x0, ...}}) .../src/github.com/polyfloyd/go-errorlint/errorlint/lint.go:39 +0x1d8 github.com/polyfloyd/go-errorlint/errorlint.run(0xc00007f520) .../src/github.com/polyfloyd/go-errorlint/errorlint/analysis.go:46 +0x2b8 golang.org/x/tools/go/analysis/internal/checker.(*action).execOnce(0xc00047a140) .../pkg/mod/golang.org/x/tools@v0.1.12/go/analysis/internal/checker/checker.go:731 +0x9fe sync.(*Once).doSlow(0x1263089?, 0xc0001681c0?) ...root/src/sync/once.go:68 +0xc2 sync.(*Once).Do(...) ...root/src/sync/once.go:59 golang.org/x/tools/go/analysis/internal/checker.(*action).exec(0xc00000c870?) .../pkg/mod/golang.org/x/tools@v0.1.12/go/analysis/internal/checker/checker.go:619 +0x3d golang.org/x/tools/go/analysis/internal/checker.execAll.func1(0x0?) .../pkg/mod/golang.org/x/tools@v0.1.12/go/analysis/internal/checker/checker.go:607 +0x25 created by golang.org/x/tools/go/analysis/internal/checker.execAll .../pkg/mod/golang.org/x/tools@v0.1.12/go/analysis/internal/checker/checker.go:613 +0x165
This happens with v1.0.0 and main at 2f09b52, only with go1.18, go1.17 does not fail.
The text was updated successfully, but these errors were encountered:
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The following program is valid go.
https://play.golang.com/p/Ymc7t3H_bFR
However it causes go-errorlint to panic due to the indexing operator in the formatting verb.
This happens with v1.0.0 and main at 2f09b52, only with go1.18, go1.17 does not fail.
The text was updated successfully, but these errors were encountered: