class Docile::ChainingFallbackContextProxy

@see Docile.dsl_eval_immutable
objects.
This is useful for implementing DSL evaluation for immutable context
the primary ‘receiver` object with the result of each proxied method.
Operates in the same manner as {FallbackContextProxy}, but replacing
@api private

def method_missing(method, *args, &block)

`receiver` with the returned value.
Proxy methods as in {FallbackContextProxy#method_missing}, replacing 
def method_missing(method, *args, &block)
  @__receiver__ = super(method, *args, &block)
end