Class: Babl::Nodes::IsNull

Inherits:

Object

• Object
• Babl::Nodes::IsNull

Includes:

Singleton

Defined in:

lib/babl/nodes/is_null.rb

Instance Method Summary

• #dependencies ⇒ Object
• #optimize ⇒ Object
• #pinned_dependencies ⇒ Object
• #render(frame) ⇒ Object
• #schema ⇒ Object

Instance Method Details

#dependencies ⇒ Object

# File 'lib/babl/nodes/is_null.rb', line 15

def dependencies
    Utils::Hash::EMPTY
end

#optimize ⇒ Object

# File 'lib/babl/nodes/is_null.rb', line 27

def optimize
    self
end

#pinned_dependencies ⇒ Object

# File 'lib/babl/nodes/is_null.rb', line 19

def pinned_dependencies
    Utils::Hash::EMPTY
end

#render(frame) ⇒ Object

# File 'lib/babl/nodes/is_null.rb', line 23

def render(frame)
    ::NilClass === frame.object
end

#schema ⇒ Object

# File 'lib/babl/nodes/is_null.rb', line 11

def schema
    Schema::Typed::BOOLEAN
end