(***********************************************************************) (* *) (* Applied Type System *) (* *) (* Hongwei Xi *) (* *) (***********************************************************************) (* ** ATS - Unleashing the Potential of Types! ** ** Copyright (C) 2002-2009 Hongwei Xi, Boston University ** ** All rights reserved ** ** ATS is free software; you can redistribute it and/or modify it under ** the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by the ** Free Software Foundation; either version 2.1, or (at your option) any ** later version. ** ** ATS is distributed in the hope that it will be useful, but WITHOUT ANY ** WARRANTY; without even the implied warranty of MERCHANTABILITY or ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ** for more details. ** ** You should have received a copy of the GNU General Public License ** along with ATS; see the file COPYING. If not, please write to the ** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA ** 02110-1301, USA. *) (* ****** ****** *) // // Author: Hongwei Xi (hwxi AT cs DOT bu DOT edu) // Time: Summer, 2009 // (* ****** ****** *) // // SML Basis Library: General (http://www.standardml.org/Basis/general.html) // (* ****** ****** *) exception Bind of () exception Match of () exception Chr of () exception Div of () exception Domain of () // out-of-domain type of error exception Empty of () exception Fail of string exception Overflow of () exception Range of () // out-of-range type of error exception Size of () exception Span of () exception Subscript of () exception Undefined of string // for undefined values and functions (* ****** ****** *) fun{a,b,c:t@ype} compose (_: b - c, _: a - b): a - c // end of [compose] fun{a:t@ype} ignore (x: a): void (* ****** ****** *) (* end of [list.sats] *)