1 /* Copyright (C) 1995,1996,1997, 2000 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program 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
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
43 /* type predicates and equality predicates */
45 #include "libguile/gh.h"
47 /* type predicates: tell you if an SCM object has a given type */
49 gh_boolean_p (SCM val
)
51 return (SCM_NFALSEP (scm_boolean_p (val
)));
56 return (SCM_NFALSEP (scm_symbol_p (val
)));
61 return (SCM_NFALSEP (scm_char_p (val
)));
66 return (SCM_NFALSEP (scm_vector_p (val
)));
71 return (SCM_NFALSEP (scm_pair_p (val
)));
76 return (SCM_NFALSEP (scm_number_p (val
)));
81 return (SCM_NFALSEP (scm_string_p (val
)));
84 gh_procedure_p (SCM val
)
86 return (SCM_NFALSEP (scm_procedure_p (val
)));
91 return (SCM_NFALSEP (scm_list_p (val
)));
94 gh_inexact_p (SCM val
)
96 return (SCM_NFALSEP (scm_inexact_p (val
)));
101 return (SCM_NFALSEP (scm_exact_p (val
)));
104 /* the three types of equality */
106 gh_eq_p (SCM x
, SCM y
)
108 return (SCM_NFALSEP (scm_eq_p (x
, y
)));
111 gh_eqv_p (SCM x
, SCM y
)
113 return (SCM_NFALSEP (scm_eqv_p (x
, y
)));
116 gh_equal_p (SCM x
, SCM y
)
118 return (SCM_NFALSEP (scm_equal_p (x
, y
)));
121 /* equivalent to (string=? ...), but returns 0 or 1 rather than Scheme
124 gh_string_equal_p(SCM s1
, SCM s2
)
126 return (SCM_NFALSEP (scm_string_equal_p(s1
, s2
)));
129 /* equivalent to (null? ...), but returns 0 or 1 rather than Scheme
134 return (SCM_NFALSEP(scm_null_p(l
)));