Return `node`s representation as ... if ... else ... expression.

def visit_IfExp(self, node: AST, dfltChaining: bool = True) -> str:
        """Return `node`s representation as ... if ... else ... expression."""
        with self.op_man(node):
            src = " if ".join((self.visit(node.body, dfltChaining=False),
                               " else ".join((self.visit(node.test),
                                              self.visit(node.orelse)))))
            return self.wrap_expr(src, dfltChaining)