Stop duplication in error source chain #7105
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MarkusPettersson98
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Don't both print the contained error in the Display impl and also return it in source
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Don't both print the contained error in the Display impl and also return it in source.
The error, as it was before, would print an error chain like this:
An error should avoid including its source error in its own
Displayimpl. Or, if it is included, it should not return that from thesourcemethod.If you want to dive more into how long I have cared about this, you can follow this URL :D rust-lang/api-guidelines#210
This change is