class Tilt::Template

def compiled_method(locals_keys, scope_class=nil)

Tilt's normal rendering.
directly on the scope class, which are much faster to call than
Returns an UnboundMethod, which can be used to define methods
The compiled method for the locals keys and scope_class provided. 
def compiled_method(locals_keys, scope_class=nil)
  if @fixed_locals
    if @scope_class
      return @compiled_method
    else
      key = scope_class
    end
  elsif @scope_class
    key = locals_keys.dup.freeze
  else
    key = [scope_class, locals_keys].freeze
  end
  LOCK.synchronize do
    if meth = @compiled_method[key]
      return meth
    end
  end
  meth = compile_template_method(locals_keys, scope_class)
  LOCK.synchronize do
    @compiled_method[key] = meth
  end
  meth
end