parameters: (cls, func_ir, typemap, restype, calltypes,
                                    mangler, inline, noalias)
return_statement: return cls._from_python_function(func_ir, typemap, restype, calltypes,
                                           native=True, mangler=mangler,
                                           inline=inline, noalias=noalias)
docstring: Build a FunctionDescriptor for a given specialization of a Python
          function (in nopython mode).
docstring_summary: Build a FunctionDescriptor for a given specialization of a Python
          function (in nopython mode).
docstring_tokens: Build a FunctionDescriptor for a given specialization of a Python function ( in nopython mode ) .
function: def from_specialized_function(cls, func_ir, typemap, restype, calltypes,
                                    mangler, inline, noalias):
          """
          Build a FunctionDescriptor for a given specialization of a Python
          function (in nopython mode).
          """
          return cls._from_python_function(func_ir, typemap, restype, calltypes,
                                           native=True, mangler=mangler,
                                           inline=inline, noalias=noalias)
function_tokens: def from_specialized_function ( cls , func_ir , typemap , restype , calltypes , mangler , inline , noalias ) : return cls . _from_python_function ( func_ir , typemap , restype , calltypes , native = True , mangler = mangler , inline = inline , noalias = noalias )