chris-dannen

<%= content_tag(:body, {
  class: [
    current_user.signposting_level_class
  ]
} %>
  <%# The rest of the page %>
<% end %>

chris-dannen

+ (void)swapMethod:(SEL)origM withMethod:(SEL)newM inClass:(Class)class {
    Method origMethod = class_getInstanceMethod(class, origM);
    Method newMethod = class_getInstanceMethod(class, newM);
    if (class_addMethod(class, origM, method_getImplementation(newMethod), method_getTypeEncoding(newMethod))) {
        class_replaceMethod(class, newM, method_getImplementation(origMethod), method_getTypeEncoding(origMethod));
    } else {
        method_exchangeImplementations(origMethod, newMethod);
    }
}