/usr/lib/ats2-postiats-0.1.3/prelude/SATS/option.sats is in ats2-lang 0.1.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | (***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2010-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, 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.
*)
(* ****** ****** *)
(*
** Source:
** $PATSHOME/prelude/SATS/CODEGEN/option.atxt
** Time of generation: Fri Sep 26 22:20:49 2014
*)
(* ****** ****** *)
(* Author: Hongwei Xi *)
(* Authoremail: hwxi AT cs DOT bu DOT edu *)
(* Start time: February, 2012 *)
(* ****** ****** *)
sortdef t0p = t@ype
(* ****** ****** *)
#if(0)
//
// HX: these decls are available in [basic_dyn.sats]
//
stadef option = option_t0ype_bool_type
typedef Option (a:t0p) = [b:bool] option (a, b)
#endif
(* ****** ****** *)
exception NotSomeExn of ()
(*
fun NotSomeExn ():<> exn = "mac#%NotSomeExn_make"
fun isNotSomeExn (x: !exn):<> bool = "mac#%isNotSomeExn"
macdef
ifNotSomeExn
{tres}(exn, body) =
(
let val x = ,(exn) in
(
if isNotSomeExn(x)
then
let prval () = __vfree_exn (x) in ,(body) end
else $raise (x)
) : tres // end of [if]
end (* end of [let] *)
) // end of [ifNotSomeExn]
*)
(* ****** ****** *)
//
castfn
option_cast
{a:t0p}{b:bool}
(opt: option (INV(a), b)):<> option (a, b)
//
(* ****** ****** *)
//
castfn
option_vt2t
{a:t0p}{b:bool}
(opt: option_vt (INV(a), b)):<> option (a, b)
castfn
option_of_option_vt
{a:t0p}{b:bool}
(opt: option_vt (INV(a), b)):<> option (a, b)
//
(* ****** ****** *)
fun{a:t0p}
option_some (x: a):<> option (a, true)
fun{a:t0p}
option_none ((*void*)):<> option (a, false)
(* ****** ****** *)
fun{}
option_is_some{a:t0p}
{b:bool} (opt: option (a, b)):<> bool (b)
// end of [option_is_some]
fun{}
option_is_none{a:t0p}
{b:bool} (opt: option (a, b)):<> bool (~b)
// end of [option_is_none]
(* ****** ****** *)
fun{a:t0p}
option_unsome (opt: option (INV(a), true)):<> a
fun{a:t0p}
option_unsome_exn (opt: Option (INV(a))):<!exn> a
(* ****** ****** *)
fun{a:t0p}
fprint_option (out: FILEref, opt: Option (INV(a))): void
overload fprint with fprint_option
(* ****** ****** *)
(* end of [option.sats] *)
|