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Add comment on why checking empty set

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Cheng Zhao 2015-12-31 18:58:16 +08:00
parent b308cd6f96
commit 8aced2c31e
1 changed files with 2 additions and 1 deletions
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atom/browser/ui/file_dialog_mac.mm
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@ -35,6 +35,7 @@ void SetAllowedFileTypes(NSSavePanel* dialog, const Filters& filters) {
}
}
// Passing empty array to setAllowedFileTypes will cause exception.
NSArray* file_types = nil;
if ([file_type_set count])
file_types = [file_type_set allObjects];