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a way to differentiate between blank and unset environmnet variables #237

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vikstrous opened this issue Sep 1, 2016 · 0 comments
Open

a way to differentiate between blank and unset environmnet variables #237

vikstrous opened this issue Sep 1, 2016 · 0 comments

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@vikstrous
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Right now I don't see any way to tell the different between an unset environment variable and one set to an empty string.

  • If I have a struct with pointers and use Unmarshal the members are never set to nil even if they are not present in the configs.
  • If I use IsSet it says that empty strings are not set.
  • I don't have a reliable way of getting the autogenerated names of environment variable names from AutomaticEnv() so I can't reliably check if they are set myself.

I don't know how I'm supposed to do this check. Any ideas?
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@vikstrous