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69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
/* classes: h_files */
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#ifndef SCM_WEAK_SET_H
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#define SCM_WEAK_SET_H
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/* Copyright (C) 2011 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include "libguile/__scm.h"
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/* The weak set API is currently only used internally. We could make it
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public later, after some API review. */
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/* Function that returns nonzero if the given object is the one we are
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looking for. */
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typedef int (*scm_t_set_predicate_fn) (SCM obj, void *closure);
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/* Function to fold over the elements of a set. */
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typedef SCM (*scm_t_set_fold_fn) (void *closure, SCM key, SCM result);
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SCM_INTERNAL SCM scm_c_make_weak_set (unsigned long k);
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SCM_INTERNAL SCM scm_weak_set_p (SCM h);
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SCM_INTERNAL SCM scm_c_weak_set_lookup (SCM set, unsigned long raw_hash,
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scm_t_set_predicate_fn pred,
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void *closure, SCM dflt);
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SCM_INTERNAL SCM scm_c_weak_set_add_x (SCM set, unsigned long raw_hash,
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scm_t_set_predicate_fn pred,
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void *closure, SCM obj);
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SCM_INTERNAL void scm_c_weak_set_remove_x (SCM set, unsigned long raw_hash,
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scm_t_set_predicate_fn pred,
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void *closure);
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SCM_INTERNAL SCM scm_weak_set_add_x (SCM set, SCM obj);
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SCM_INTERNAL SCM scm_weak_set_remove_x (SCM set, SCM obj);
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SCM_INTERNAL SCM scm_weak_set_clear_x (SCM set);
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SCM_INTERNAL SCM scm_c_weak_set_fold (scm_t_set_fold_fn proc, void *closure,
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SCM init, SCM set);
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SCM_INTERNAL SCM scm_weak_set_fold (SCM proc, SCM init, SCM set);
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SCM_INTERNAL SCM scm_weak_set_for_each (SCM proc, SCM set);
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SCM_INTERNAL SCM scm_weak_set_map_to_list (SCM proc, SCM set);
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SCM_INTERNAL void scm_i_weak_set_print (SCM exp, SCM port, scm_print_state *pstate);
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SCM_INTERNAL void scm_init_weak_set (void);
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#endif /* SCM_WEAK_SET_H */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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