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Replace .hats GPL sample with MIT one
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Sahil Dua
155
samples/ATS/csv_parse.hats
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155
samples/ATS/csv_parse.hats
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@@ -0,0 +1,155 @@
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// Source: https://github.com/githwxi/ATS-Postiats-contrib/blob/0f26aa0df8542d2ae21df9be1e13208f66f571d6/contrib/libats-/hwxi/teaching/mygrading/HATS/csv_parse.hats
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(* ****** ****** *)
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//
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// Author: Hongwei Xi
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// Authoremail: gmhwxiATgmailDOTcom
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// Start time: the first of July, 2016
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//
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(* ****** ****** *)
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//
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#ifdef
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MYGRADING_HATS
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#then
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#else
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//
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extern
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fun
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csv_parse_line
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(
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line: string
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) : List0_vt(Strptr1)
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//
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#endif // #ifdef
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//
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(* ****** ****** *)
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local
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//
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staload
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UN = "prelude/SATS/unsafe.sats"
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//
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extern
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fun{}
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getpos(): int
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//
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extern
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fun{}
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is_end(): bool
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//
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extern
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fun{}
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char_at(): int
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//
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extern
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fun{}
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Strptr1_at(i0: int): Strptr1
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//
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extern
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fun{}
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rmove(): void
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extern
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fun{}
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rmove_while(test: char -<cloref1> bool): void
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//
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in (* in-of-local *)
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//
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implement
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{}(*tmp*)
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rmove_while
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(test) = let
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//
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val c0 = char_at()
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//
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in
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//
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if c0 >= 0 then
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if test(int2char0(c0)) then (rmove(); rmove_while(test)) else ()
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// end of [if]
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//
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end // end of [rmove_while]
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(* ****** ****** *)
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implement
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csv_parse_line
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(line) = let
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//
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val line = g1ofg0(line)
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//
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var i: int = 0
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val p_i = addr@i
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//
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val n0 = sz2i(length(line))
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//
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macdef get_i() = $UN.ptr0_get<int>(p_i)
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macdef inc_i() = $UN.ptr0_addby<int>(p_i, 1)
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macdef set_i(i0) = $UN.ptr0_set<int>(p_i, ,(i0))
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//
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implement
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getpos<>() = get_i()
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//
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implement
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is_end<>() = get_i() >= n0
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//
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implement
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char_at<>() = let
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val i = get_i()
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val i = ckastloc_gintGte(i, 0)
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//
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in
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if i < n0 then char2u2int0(line[i]) else ~1
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end // end of [char_at]
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//
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implement
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Strptr1_at<>(i0) = let
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//
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val i1 = get_i()
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val i0 = ckastloc_gintGte(i0, 0)
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val i1 = ckastloc_gintBtwe(i1, i0, n0)
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//
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in
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$UN.castvwtp0(
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string_make_substring(line, i2sz(i0), i2sz(i1-i0))
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) (* $UN.castvwtp0 *)
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end // end of [Strptr1_at]
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//
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implement
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rmove<>() =
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if get_i() < n0 then inc_i()
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//
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vtypedef res_vt = List0_vt(Strptr1)
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//
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fun
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loop
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(
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i: int, res: res_vt
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) : res_vt =
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if
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is_end()
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then res
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else let
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val () =
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(
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if i > 0 then rmove()
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)
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val i0 = getpos()
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var f0 =
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(
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lam@(c: char) =<clo> c != ','
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)
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val () = rmove_while($UN.cast(addr@f0))
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val s0 = Strptr1_at(i0)
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in
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loop(i+1, list_vt_cons(s0, res))
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end // end of [else]
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//
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in
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list_vt_reverse(loop(0(*i*), list_vt_nil((*void*))))
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end // end of [csv_parse_line]
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end // end of [local]
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(* ****** ****** *)
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(* end of [csv_parse.hats] *)
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@@ -1,187 +0,0 @@
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(***********************************************************************)
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(* *)
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(* Applied Type System *)
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(* *)
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(***********************************************************************)
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(*
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** ATS/Postiats - Unleashing the Potential of Types!
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** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
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** All rights reserved
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**
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** ATS is free software; you can redistribute it and/or modify it under
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** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
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** WARRANTY; without even the implied warranty of MERCHANTABILITY or
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** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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** for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with ATS; see the file COPYING. If not, please write to the
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** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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** 02110-1301, USA.
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*)
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(* ****** ****** *)
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(* Author: Hongwei Xi *)
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(* Authoremail: hwxi AT cs DOT bu DOT edu *)
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(* Start time: December, 2012 *)
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(* ****** ****** *)
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//
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// HX: shared by linset_listord (* ordered list *)
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// HX: shared by linset_avltree (* AVL-tree-based *)
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//
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(* ****** ****** *)
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//
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// HX-2013-02:
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// for sets of nonlinear elements
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//
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absvtype set_vtype (a:t@ype+) = ptr
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//
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(* ****** ****** *)
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vtypedef set (a:t0p) = set_vtype (a)
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(* ****** ****** *)
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fun{a:t0p}
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compare_elt_elt (x1: a, x2: a):<> int
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(* ****** ****** *)
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fun{} linset_nil{a:t0p} ():<> set(a)
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fun{} linset_make_nil{a:t0p} ():<> set(a)
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(* ****** ****** *)
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fun{a:t0p} linset_sing (x: a):<!wrt> set(a)
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fun{a:t0p} linset_make_sing (x: a):<!wrt> set(a)
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(* ****** ****** *)
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fun{a:t0p}
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linset_make_list (xs: List(INV(a))):<!wrt> set(a)
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(* ****** ****** *)
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fun{}
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linset_is_nil {a:t0p} (xs: !set(INV(a))):<> bool
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fun{}
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linset_isnot_nil {a:t0p} (xs: !set(INV(a))):<> bool
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(* ****** ****** *)
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fun{a:t0p} linset_size (!set(INV(a))): size_t
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(* ****** ****** *)
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fun{a:t0p}
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linset_is_member (xs: !set(INV(a)), x0: a):<> bool
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fun{a:t0p}
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linset_isnot_member (xs: !set(INV(a)), x0: a):<> bool
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(* ****** ****** *)
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fun{a:t0p}
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linset_copy (!set(INV(a))):<!wrt> set(a)
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fun{a:t0p}
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linset_free (xs: set(INV(a))):<!wrt> void
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(* ****** ****** *)
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//
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fun{a:t0p}
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linset_insert
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(xs: &set(INV(a)) >> _, x0: a):<!wrt> bool
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//
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(* ****** ****** *)
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//
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fun{a:t0p}
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linset_takeout
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(
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&set(INV(a)) >> _, a, res: &(a?) >> opt(a, b)
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) :<!wrt> #[b:bool] bool(b) // endfun
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fun{a:t0p}
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linset_takeout_opt (&set(INV(a)) >> _, a):<!wrt> Option_vt(a)
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//
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(* ****** ****** *)
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//
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fun{a:t0p}
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linset_remove
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(xs: &set(INV(a)) >> _, x0: a):<!wrt> bool
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//
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(* ****** ****** *)
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//
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// HX: choosing an element in an unspecified manner
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//
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fun{a:t0p}
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linset_choose
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(
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xs: !set(INV(a)), x: &a? >> opt (a, b)
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) :<!wrt> #[b:bool] bool(b)
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//
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fun{a:t0p}
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linset_choose_opt (xs: !set(INV(a))):<!wrt> Option_vt(a)
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//
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(* ****** ****** *)
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fun{a:t0p}
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linset_takeoutmax
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(
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xs: &set(INV(a)) >> _, res: &a? >> opt(a, b)
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) :<!wrt> #[b:bool] bool (b)
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fun{a:t0p}
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linset_takeoutmax_opt (xs: &set(INV(a)) >> _):<!wrt> Option_vt(a)
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(* ****** ****** *)
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fun{a:t0p}
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linset_takeoutmin
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(
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xs: &set(INV(a)) >> _, res: &a? >> opt(a, b)
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) :<!wrt> #[b:bool] bool (b)
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fun{a:t0p}
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linset_takeoutmin_opt (xs: &set(INV(a)) >> _):<!wrt> Option_vt(a)
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(* ****** ****** *)
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//
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fun{}
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fprint_linset$sep (FILEref): void // ", "
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//
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fun{a:t0p}
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fprint_linset (out: FILEref, xs: !set(INV(a))): void
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//
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overload fprint with fprint_linset
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//
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(* ****** ****** *)
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//
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fun{
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a:t0p}{env:vt0p
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} linset_foreach$fwork
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(x: a, env: &(env) >> _): void
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//
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fun{a:t0p}
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linset_foreach (set: !set(INV(a))): void
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fun{
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a:t0p}{env:vt0p
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} linset_foreach_env
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(set: !set(INV(a)), env: &(env) >> _): void
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// end of [linset_foreach_env]
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//
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(* ****** ****** *)
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fun{a:t0p}
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linset_listize (xs: set(INV(a))): List0_vt (a)
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(* ****** ****** *)
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fun{a:t0p}
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linset_listize1 (xs: !set(INV(a))): List0_vt (a)
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(* ****** ****** *)
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(* end of [linset.hats] *)
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