Lichen

templates/native/tuple.c

794:7dd8e4815848
2017-03-31 Paul Boddie Introduced a multiple outcome result which can be used to provide a choice of return values to supply the initialiser and alias details.
     1 /* Native functions for tuple operations.     2      3 Copyright (C) 2016, 2017 Paul Boddie <paul@boddie.org.uk>     4      5 This program is free software; you can redistribute it and/or modify it under     6 the terms of the GNU General Public License as published by the Free Software     7 Foundation; either version 3 of the License, or (at your option) any later     8 version.     9     10 This program is distributed in the hope that it will be useful, but WITHOUT    11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS    12 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more    13 details.    14     15 You should have received a copy of the GNU General Public License along with    16 this program.  If not, see <http://www.gnu.org/licenses/>.    17 */    18     19 #include "native/common.h"    20 #include "types.h"    21 #include "exceptions.h"    22 #include "ops.h"    23 #include "progconsts.h"    24 #include "progops.h"    25 #include "progtypes.h"    26 #include "main.h"    27     28 /* Tuple operations. */    29     30 static __fragment __empty_fragment = {.size=0, .capacity=0};    31     32 __attr __fn_native_tuple_tuple_init(__attr __self, __attr size)    33 {    34     /* size interpreted as int */    35     int n = __TOINT(size);    36     37     /* Return the __data__ attribute. */    38     if (n) return (__attr) {.seqvalue=__new_fragment(n)};    39     else return (__attr) {.seqvalue=&__empty_fragment};    40 }    41     42 /* Module initialisation. */    43     44 void __main_native_tuple()    45 {    46 }