Use proper fold/for-each function types in `hashtab.h'.

[bpt/guile.git] / libguile / boolean.h

/* classes: h_files */

#ifndef SCM_BOOLEAN_H
#define SCM_BOOLEAN_H

/* Copyright (C) 1995,1996,2000, 2006, 2008 Free Software Foundation, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

\f

#include "libguile/__scm.h"

\f

/* Boolean Values 
 *
 */ 


#define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
#define scm_is_true(x)  !scm_is_false (x)

SCM_API int scm_is_bool (SCM x);
#define scm_from_bool(x) ((x) ? SCM_BOOL_T : SCM_BOOL_F)
SCM_API int scm_to_bool (SCM x);

\f

SCM_API SCM scm_not (SCM x);
SCM_API SCM scm_boolean_p (SCM obj);

SCM_INTERNAL void scm_init_boolean (void);

#endif  /* SCM_BOOLEAN_H */

/*
  Local Variables:
  c-file-style: "gnu"
  End:
*/