<%= form_for @post do |f| %>
<% if @post.errors.any? %>
<%= pluralize(@post.errors.count, "error") %> prohibited
this post from being saved:
<% @post.errors.full_messages.each do |msg| %>
- <%= msg %>
<% end %>
<% end %>
<%= f.label :title %>
<%= f.text_field :title %>
<%= f.label :text %>
<%= f.text_area :text %>
<%= f.submit %>
<% end %>