TClass::GetListOfMethods does not include constructor for std::hash

root [0] TClass::GetClass("std::hash<std::string>")->GetListOfMethods()->ls()

OBJ: TListOfFunctions	TListOfFunctions	List of TFunctions for a class : 0

 OBJ: TMethod	operator()	 : 0 at: 0x3d058c0

      size_t hash<string>::operator()(const string& __s) const

 OBJ: TMethod	hash<string>	 : 0 at: 0x3d48ab0

      hash<string> hash<string>::hash<string>(const hash<string>&)

 OBJ: TMethod	operator=	 : 0 at: 0x3bd89d0

      hash<string>& hash<string>::operator=(const hash<string>&)

 OBJ: TMethod	hash<string>	 : 0 at: 0x3d5bd00

      hash<string> hash<string>::hash<string>(hash<string>&&)

 OBJ: TMethod	operator=	 : 0 at: 0x3cd86d0

      hash<string>& hash<string>::operator=(hash<string>&&)

>>> import ROOT

>>> h = ROOT.std.hash('std::string')()

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

TypeError: none of the 2 overloaded methods succeeded. Full details:

  hash<string>::hash<string>(const hash<string>&) =>

    takes at least 1 arguments (0 given)

  hash<string>::hash<string>(hash<string>&&) =>

    takes at least 1 arguments (0 given)

>>>