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-rw-r--r--libguile/procs.h48
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diff --git a/libguile/procs.h b/libguile/procs.h
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+#ifndef SCM_PROCS_H
+#define SCM_PROCS_H
+
+/* Copyright 1995-1996,1998-2001,2006,2008-2009,2012-2013,2018
+ Free Software Foundation, Inc.
+
+ This file is part of Guile.
+
+ Guile 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.
+
+ Guile 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 Guile. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+
+
+#include "libguile/boolean.h"
+#include <libguile/error.h>
+
+
+
+#define SCM_VALIDATE_THUNK(pos, thunk) \
+ do { \
+ SCM_ASSERT (scm_is_true (scm_thunk_p (thunk)), thunk, pos, FUNC_NAME); \
+ } while (0)
+
+#define SCM_VALIDATE_PROC(pos, proc) \
+ do { \
+ SCM_ASSERT (scm_is_true (scm_procedure_p (proc)), proc, pos, FUNC_NAME); \
+ } while (0)
+
+SCM_API SCM scm_procedure_p (SCM obj);
+SCM_API SCM scm_thunk_p (SCM obj);
+SCM_API SCM scm_procedure_with_setter_p (SCM obj);
+SCM_API SCM scm_make_procedure_with_setter (SCM procedure, SCM setter);
+SCM_API SCM scm_procedure (SCM proc);
+SCM_API SCM scm_setter (SCM proc);
+SCM_INTERNAL void scm_init_procs (void);
+
+#endif /* SCM_PROCS_H */