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#ifndef SCM_EPHEMERONS_H
#define SCM_EPHEMERONS_H
/* Copyright 2025 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/scm.h"
struct gc_ephemeron;
struct scm_ephemeron_table;
SCM_INTERNAL struct gc_ephemeron* scm_c_make_ephemeron (SCM k, SCM v);
SCM_INTERNAL SCM scm_c_ephemeron_key (struct gc_ephemeron *e);
SCM_INTERNAL SCM scm_c_ephemeron_value (struct gc_ephemeron *e);
SCM_INTERNAL struct gc_ephemeron* scm_c_ephemeron_next (struct gc_ephemeron *e);
SCM_INTERNAL SCM scm_c_ephemeron_swap_x (struct gc_ephemeron *e, SCM new_val);
SCM_INTERNAL void scm_c_ephemeron_mark_dead_x (struct gc_ephemeron *e);
SCM_INTERNAL int scm_i_print_ephemeron (SCM exp, SCM port,
scm_print_state *pstate SCM_UNUSED);
SCM_INTERNAL struct gc_ephemeron* scm_to_ephemeron (SCM e);
SCM_INTERNAL SCM scm_from_ephemeron (struct gc_ephemeron *e);
SCM_INTERNAL struct gc_ephemeron* scm_c_ephemeron_load (struct gc_ephemeron **loc);
SCM_INTERNAL void scm_c_ephemeron_push (struct gc_ephemeron **loc,
struct gc_ephemeron *e);
SCM_INTERNAL struct scm_ephemeron_table* scm_c_make_ephemeron_table (size_t count);
SCM_INTERNAL size_t scm_c_ephemeron_table_length (struct scm_ephemeron_table *et);
SCM_INTERNAL struct gc_ephemeron*
scm_c_ephemeron_table_ref (struct scm_ephemeron_table *et, size_t idx);
SCM_INTERNAL void scm_c_ephemeron_table_push_x (struct scm_ephemeron_table *et,
size_t idx,
struct gc_ephemeron * e);
SCM_INTERNAL struct gc_ephemeron*
scm_c_ephemeron_table_try_push_x (struct scm_ephemeron_table *et,
size_t idx,
struct gc_ephemeron * e,
struct gc_ephemeron *prev);
SCM_INTERNAL struct scm_ephemeron_table*
scm_c_ephemeron_table_copy (struct scm_ephemeron_table *et);
SCM_INTERNAL int scm_i_print_ephemeron_table (SCM exp, SCM port,
scm_print_state *pstate SCM_UNUSED);
SCM_INTERNAL struct scm_ephemeron_table* scm_to_ephemeron_table (SCM e);
SCM_INTERNAL SCM scm_from_ephemeron_table (struct scm_ephemeron_table *e);
SCM_INTERNAL SCM
scm_c_ephemeron_hash_table_refq (struct scm_ephemeron_table *et, SCM k,
SCM default_value);
SCM_INTERNAL void
scm_c_ephemeron_hash_table_setq_x (struct scm_ephemeron_table *et, SCM k, SCM v);
SCM_INTERNAL void scm_register_ephemerons (void);
#endif /* SCM_EPHEMERONS_H */
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