module ActionView
module ActionView::Helpers
module ActionView::Helpers::CaptureHelper
module ActionView::Helpers::FormHelper
module ActionView::Helpers::FormTagHelper
module ActionView::Helpers::HamlSupport
module ActionView::Helpers::TagHelper
module ActionView::Helpers::Tags
module ActionView::Helpers::TextHelper
module Haml
module Haml::AttributeBuilder
module Haml::AttributeParser
module Haml::Exec
module Haml::Filters
module Haml::Filters::Base
module Haml::Filters::Cdata
module Haml::Filters::Css
module Haml::Filters::Erb
module Haml::Filters::Escaped
module Haml::Filters::Javascript
module Haml::Filters::Plain
module Haml::Filters::PrecompiledTiltFilter
module Haml::Filters::Preserve
module Haml::Filters::RailsErb
module Haml::Filters::Ruby
module Haml::Filters::TiltFilter
module Haml::Helpers
module Haml::Helpers::ActionViewExtensions
module Haml::Helpers::ActionViewMods
module Haml::Helpers::XssMods
module Haml::Template
module Haml::TempleLineCounter
module Haml::Util
class ActionView::Helpers::InstanceTag
class ActionView::Helpers::Tags::TextArea
class Haml::AttributeCompiler
class Haml::AttributeCompiler::AttributeValue
class Haml::AttributeParser::UnexpectedKeyError
class Haml::AttributeParser::UnexpectedTokenError
class Haml::Buffer
class Haml::Compiler
class Haml::Engine
class Haml::Error
class Haml::ErubiTemplateHandler
class Haml::ErubisTemplateHandler
class Haml::Escapable
class Haml::Exec::Generic
class Haml::Exec::Haml
class Haml::Filters::SassRailsTemplate
class Haml::Filters::ScssRailsTemplate
class Haml::Generator
class Haml::Helpers::ErrorReturn
class Haml::InvalidAttributeNameError
class Haml::Options
class Haml::Parser
class Haml::Parser::DynamicAttributes
class Haml::Parser::Line
class Haml::Parser::ParseNode
class Haml::Plugin
class Haml::Railtie
class Haml::SafeErubiTemplate
class Haml::SafeErubisTemplate
class Haml::SyntaxError
class Haml::Template::Options
class Haml::TempleEngine
class Haml::TempleLineCounter::UnexpectedExpression
class Object
haml
5.0.1
# toplevel?
(Boolean)
def toplevel? upper.nil? end