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26b26354 AW |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef SCM_WEAK_SET_H | |
4 | #define SCM_WEAK_SET_H | |
5 | ||
81b80b96 | 6 | /* Copyright (C) 2011 Free Software Foundation, Inc. |
26b26354 AW |
7 | * |
8 | * This library is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public License | |
10 | * as published by the Free Software Foundation; either version 3 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with this library; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
21 | * 02110-1301 USA | |
22 | */ | |
23 | ||
24 | \f | |
25 | ||
26 | #include "libguile/__scm.h" | |
27 | ||
28 | \f | |
29 | ||
30 | /* The weak set API is currently only used internally. We could make it | |
31 | public later, after some API review. */ | |
32 | ||
33 | /* Function that returns nonzero if the given object is the one we are | |
34 | looking for. */ | |
35 | typedef int (*scm_t_set_predicate_fn) (SCM obj, void *closure); | |
36 | ||
37 | /* Function to fold over the elements of a set. */ | |
38 | typedef SCM (*scm_t_set_fold_fn) (void *closure, SCM key, SCM result); | |
39 | ||
40 | SCM_INTERNAL SCM scm_c_make_weak_set (unsigned long k); | |
41 | SCM_INTERNAL SCM scm_weak_set_p (SCM h); | |
42 | SCM_INTERNAL SCM scm_c_weak_set_lookup (SCM set, unsigned long raw_hash, | |
43 | scm_t_set_predicate_fn pred, | |
44 | void *closure, SCM dflt); | |
45 | SCM_INTERNAL SCM scm_c_weak_set_add_x (SCM set, unsigned long raw_hash, | |
46 | scm_t_set_predicate_fn pred, | |
47 | void *closure, SCM obj); | |
48 | SCM_INTERNAL void scm_c_weak_set_remove_x (SCM set, unsigned long raw_hash, | |
49 | scm_t_set_predicate_fn pred, | |
50 | void *closure); | |
51 | SCM_INTERNAL SCM scm_weak_set_add_x (SCM set, SCM obj); | |
52 | SCM_INTERNAL SCM scm_weak_set_remove_x (SCM set, SCM obj); | |
53 | SCM_INTERNAL SCM scm_weak_set_clear_x (SCM set); | |
54 | SCM_INTERNAL SCM scm_c_weak_set_fold (scm_t_set_fold_fn proc, void *closure, | |
55 | SCM init, SCM set); | |
56 | SCM_INTERNAL SCM scm_weak_set_fold (SCM proc, SCM init, SCM set); | |
57 | SCM_INTERNAL SCM scm_weak_set_for_each (SCM proc, SCM set); | |
58 | SCM_INTERNAL SCM scm_weak_set_map_to_list (SCM proc, SCM set); | |
59 | ||
60 | SCM_INTERNAL void scm_i_weak_set_print (SCM exp, SCM port, scm_print_state *pstate); | |
61 | SCM_INTERNAL void scm_init_weak_set (void); | |
62 | ||
63 | #endif /* SCM_WEAK_SET_H */ | |
64 | ||
65 | /* | |
66 | Local Variables: | |
67 | c-file-style: "gnu" | |
68 | End: | |
69 | */ |