/*ident "@(#)Symbol:Symbol_in.c 3.1" */ /****************************************************************************** * * C++ Standard Components, Release 3.0. * * Copyright (c) 1991, 1992 AT&T and Unix System Laboratories, Inc. * Copyright (c) 1988, 1989, 1990 AT&T. All Rights Reserved. * * THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T and Unix System * Laboratories, Inc. The copyright notice above does not evidence * any actual or intended publication of such source code. * ******************************************************************************/ #include #include istream& operator>>(istream& is, Symbol& s) { String tmp; is >> tmp; if (is) { s = Symbol(tmp); } return is; }