How do i check if a variable exist, in eex?

Question

I\'m working on the crud part of a model, to which i\'ve added image support to. Ideally i would like to show the image if you are editing a model, which i would do like this.

Answer 1

The selected answer doesn't work.

Try with this :

<%= if Map.has_key?(assigns, :company) do %>
  <%= Logo.url({@company.logo, @company}, :thumb) %>
<% end %>