Use ruby 2.x hash syntax

app/views/api/tracks/index.rabl

@@ -3,4 +3,4 @@ collection @tracks
 attribute :id
 attribute :name
 
-node(:sound_url, :if => ->(t) { t.sound? }) { |t| api_sound_url t.sound }
+node(:sound_url, if: ->(t) { t.sound? }) { |t| api_sound_url t.sound }

app/views/layouts/application.html.haml

@@ -1,7 +1,7 @@
 !!!
 %html
   %head
-    %meta{:charset => 'utf-8'}
+    %meta{charset: 'utf-8'}
     %title scube
     = csrf_meta_tag
   %body

app/views/playlists/edit.html.haml

@@ -1 +1 @@
-= render 'form', :submit_text => 'Save'
+= render 'form', submit_text: 'Save'

app/views/playlists/new.html.haml

@@ -1 +1 @@
-= render 'form', :submit_text => 'Create'
+= render 'form', submit_text: 'Create'

app/views/sessions/new.html.haml

@@ -1,4 +1,4 @@
-= form_for(:session, :url => sessions_path) do |f|
+= form_for(:session, url: sessions_path) do |f|
   %table
     %tbody
       %tr

app/views/tracks/new.html.haml

@@ -1,4 +1,4 @@
-= form_for @track, :html => { :multipart => true } do |t|
+= form_for @track, html: { multipart: true } do |t|
   %table
     %tbody
       %tr

app/views/tracks/show.html.haml

@@ -1,5 +1,5 @@
 %h1= @track.name
 
 - if @track.sound?
-  %audio{:src => sound_path(@track.sound), :controls => true, :autoplay => true}
+  %audio{src: sound_path(@track.sound), controls: true, autoplay: true}
     Your browser does not support the audio element

app/views/users/new.html.haml

@@ -1,4 +1,4 @@
-= form_for(@user, :url => users_path) do |f|
+= form_for(@user, url: users_path) do |f|
   - if @user.errors.any?
     %ul
       - @user.errors.full_messages.each do |m|