Commit | Line | Data |
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58ade102 | 1 | /* Copyright (C) 1995, 1996, 2000, 2001 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd JB |
19 | \f |
20 | ||
a0599745 | 21 | #include "libguile/_scm.h" |
20e6290e | 22 | |
a0599745 MD |
23 | #include "libguile/validate.h" |
24 | #include "libguile/boolean.h" | |
c96d76b8 | 25 | #include "libguile/lang.h" |
0f2d19dd JB |
26 | \f |
27 | ||
28 | ||
3b3b36dd | 29 | SCM_DEFINE (scm_not, "not", 1, 0, 0, |
da4a1dba | 30 | (SCM x), |
cdbc7418 | 31 | "Return @code{#t} iff @var{x} is @code{#f}, else return @code{#f}.") |
1bbd0b84 | 32 | #define FUNC_NAME s_scm_not |
0f2d19dd | 33 | { |
c96d76b8 | 34 | return SCM_BOOL(SCM_FALSEP (x) || SCM_NILP (x)); |
0f2d19dd | 35 | } |
1bbd0b84 | 36 | #undef FUNC_NAME |
0f2d19dd JB |
37 | |
38 | ||
3b3b36dd | 39 | SCM_DEFINE (scm_boolean_p, "boolean?", 1, 0, 0, |
1bbd0b84 | 40 | (SCM obj), |
cdbc7418 | 41 | "Return @code{#t} iff @var{obj} is either @code{#t} or @code{#f}.") |
1bbd0b84 | 42 | #define FUNC_NAME s_scm_boolean_p |
0f2d19dd | 43 | { |
c96d76b8 | 44 | return SCM_BOOL (SCM_BOOLP (obj) || SCM_NILP (obj)); |
0f2d19dd | 45 | } |
1bbd0b84 | 46 | #undef FUNC_NAME |
0f2d19dd JB |
47 | |
48 | ||
1cc91f1b | 49 | |
0f2d19dd JB |
50 | void |
51 | scm_init_boolean () | |
0f2d19dd | 52 | { |
a0599745 | 53 | #include "libguile/boolean.x" |
0f2d19dd JB |
54 | } |
55 | ||
89e00824 ML |
56 | |
57 | /* | |
58 | Local Variables: | |
59 | c-file-style: "gnu" | |
60 | End: | |
61 | */ |