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	Commit message (Expand)	Author	Age	Files	Lines
*	hash-set! on weak tables returns the value...* libguile/weak-table.h: * libguile/weak-table.c (scm_weak_table_putq_x) (scm_weak_table_remq_x, scm_weak_table_clear_x) (scm_weak_table_for_each): Declare these as returning void instead of SCM. * libguile/hashtab.c (scm_hashq_set_x, scm_hashq_remove_x) (scm_hashv_set_x, scm_hashv_remove_x) (scm_hash_set_x, scm_hash_remove_x) (scm_hashx_set_x, scm_hashx_remove_x): (scm_hash_for_each): For weak tables, have the set! functions return the values, as they used to do. Have remove! functions return #f, indicating the lack of a handle. Shim around for-each to return unspecified, even though that wasn't yet a problem. * test-suite/tests/weaks.test: Add a test.	Andy Wingo	2012-03-02	1	-5/+5
*	reimplement hashtab.c's weak hash tables in terms of weak-table.c...* libguile/hashtab.c: * libguile/hashtab.h: Reimplement the weak hash table implementation in terms of weak tables. All is well except for the horrific hack for hashx tables. * libguile/weak-table.h: * libguile/weak-table.c (scm_make_weak_key_hash_table) (scm_make_weak_value_hash_table, scm_make_doubly_weak_hash_table) (scm_weak_key_hash_table_p, scm_weak_value_hash_table_p) (scm_doubly_weak_hash_table_p): Move these definitions here.	Andy Wingo	2011-10-24	1	-0/+12
*	add weak table implementation...* libguile/weak-table.c: * libguile/weak-table.h: New files, implementing open-addressed weak hash tables, similar to the implementation of weak sets. This will let us remove weak pairs. * libguile.h: * libguile/Makefile.am: * libguile/evalext.c: * libguile/gc.c: * libguile/init.c: * libguile/print.c: * libguile/tags.h: Update all the pieces for the new files and tc7.	Andy Wingo	2011-10-24	1	-0/+82