html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/issues/1614#issuecomment-362529551,https://api.github.com/repos/pydata/xarray/issues/1614,362529551,MDEyOklzc3VlQ29tbWVudDM2MjUyOTU1MQ==,167802,2018-02-02T09:13:38Z,2018-02-02T09:13:38Z,CONTRIBUTOR,This issue is very relevant for me too. I would like to also propose that a user could provide a function that would know how to combine the `attrs` of different DataArrays.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,264049503