Partial with yield

_simple_partial.html.erb

<div>
    yeeee I'm rendered

    <p>
        <%= yield :paragraph %>
    </p>

    <strong>
        <%= yield :bold_text %>
    </strong>
</div>

index.html.erb

<%= render partial: 'simple_partial' do %>
    <%= content_for :paragraph do %>
        Partiaaaaaal wabadubdaaa
    <% end %>

    <%= content_for :bold_text do %>
        I'm Boldemooooor
    <% end %>
<% end %>