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add: return error from iterator

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License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
This commit is contained in:
Łukasz Magiera 2019-04-27 18:10:38 +02:00
parent 6e5c2515b4
commit 6ffdce8abf
1 changed files with 4 additions and 0 deletions
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4
core/commands/add.go
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@ -267,6 +267,10 @@ You can now check what blocks have been created by:
added++
}
if addit.Err() != nil {
return addit.Err()
}
if added == 0 {
return fmt.Errorf("expected a file argument")
}