In my second thought, I thought it would be better if we lower bound the dependency version, instead of using ~> constraint.
Reason is that since the release frequency of Daru and Daru-io seems to be different, using ~> constraint makes it cumbersome to manage the dependency in of this project. Instead, I thought it would be better if we simply just use the lower bound.
In response to https://github.com/SciRuby/daru-io/issues/78#issuecomment-466979801 , making this PR.
In my second thought, I thought it would be better if we lower bound the dependency version, instead of using
~>constraint.Reason is that since the release frequency of Daru and Daru-io seems to be different, using
~>constraint makes it cumbersome to manage the dependency in of this project. Instead, I thought it would be better if we simply just use the lower bound.Any opinion?