(self, funcname: str, prefix: str, env: 'Environment', *,
                     extra_args: T.Optional[T.List[str]] = None,
                     dependencies: T.Optional[T.List['Dependency']] = None)
See if a function exists.

        Returns a two item tuple of bools. The first bool is whether the
        check succeeded, the second is whether the result was cached (True)
        or run fresh (False).
See if a function exists.
See if a function exists .
def has_function(self, funcname: str, prefix: str, env: 'Environment', *,
                     extra_args: T.Optional[T.List[str]] = None,
                     dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]:
        """See if a function exists.

        Returns a two item tuple of bools. The first bool is whether the
        check succeeded, the second is whether the result was cached (True)
        or run fresh (False).
        """
        raise EnvironmentException('Language %s does not support function checks.' % self.get_display_language())
def has_function ( self , funcname : str , prefix : str , env : 'Environment' , * , extra_args : T . Optional [ T . List [ str ] ] = None , dependencies : T . Optional [ T . List [ 'Dependency' ] ] = None ) -> T . Tuple [ bool , bool ] : raise EnvironmentException ( 'Language %s does not support function checks.' % self . get_display_language ( ) )