app/views/pieces/_form.html.haml
= form_for @piece, class: "span12" do |piece_form|
- errors = @piece.errors
- if errors.any?
.row
#error_explanation.text-error.span12
%h3.text-error #{pluralize(errors.count, "error")} kept us from saving your piece.
%ul
- errors.full_messages.each do |msg|
%li= msg
.row
.span12
= piece_form.text_field :title, placeholder: :title, autofocus: true
= piece_form.text_area :content, placeholder: :content
%div= piece_form.submit class: "btn btn-primary"