class TypeProf::Core::AST::SigFuncType::SigTyAliasNode::SigTyUnionNode::SigTySingletonNode::SigTyInstanceNode::SigTyTupleNode::SigTyRecordNode

# File typeprof-0.30.1/lib/typeprof/core/ast/sig_type.rb, line 490
def contravariant_vertex0(genv, changes, vtx, subst)
  raise NotImplementedError
end

# File typeprof-0.30.1/lib/typeprof/core/ast/sig_type.rb, line 486
def covariant_vertex0(genv, changes, vtx, subst)
  raise NotImplementedError
end

# File typeprof-0.30.1/lib/typeprof/core/ast/sig_type.rb, line 494
def show
  "(...record...)"
end