class TypeProf::Core::AST::SigFuncType::SigTyBaseInstanceNode

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/ast/sig_type.rb, line 312
def contravariant_vertex0(genv, changes, vtx, subst)
  changes.add_edge(genv, subst[:"*instance"], vtx)
end

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/ast/sig_type.rb, line 308
def covariant_vertex0(genv, changes, vtx, subst)
  changes.add_edge(genv, subst[:"*instance"], vtx)
end

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/ast/sig_type.rb, line 320
def show
  "instance"
end

# File bundled-src/typeprof-0.31.1/lib/typeprof/core/ast/sig_type.rb, line 316
def typecheck(genv, changes, vtx, subst)
  true # TODO: implement
end