ActionView::PartialRenderer

Action View Partials¶ ↑ There’s also a convenience method for rendering sub templates within the current controller that depends on a single object (we call this kind of sub templates for partials). It relies on the fact that partials should follow the naming convention of being prefixed with an underscore – as to separate them from regular templates that could be rendered on their own. In a templ

[suginoy]

こういう書き方できたのか。 “If the given :collection is nil or empty, render will return nil. This will allow you to specify a text which will displayed instead by using this form:”