As you are seeing, Go does not allow you to do a naked return when one of
the named return values is being shadowed by another variable. If you take
a look at the "Return statements" section in the Go Language Specification
[1], it mentions this restriction:
> Implementation restriction: A compile
On Tue, Nov 27, 2018 at 8:03 PM hui zhang wrote:
> happen in go 1.10.2 1.11.2
>
Line 203 defines m3u8List, and uses the already defined err.
Line 210 is in a nested scope, defines f and err, which shadows the err in
the enclosing scope.
Change it to:
var f *os.File
f, err= os.Open(...)
an
happen in go 1.10.2 1.11.2
在 2018年11月28日星期三 UTC+8上午11:02:47，hui zhang写道：
>
> ./main.go:212:4: err is shadowed during return
>
> check code above only line 212 report err
> however line 203 and 212 are almost the same case. but did not report err.
>
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