shrub/include/g/z.h
2014-09-03 20:44:53 -07:00

35 lines
1.1 KiB
C

/* include/g/z.h
**
** This file is in the public domain.
*/
/** Memoization.
***
*** The memo cache is keyed by an arbitrary symbolic function
*** and a noun argument to that (logical) function. Functions
*** are predefined by C-level callers, but 0 means nock.
***
*** The memo cache is within its road and dies when it falls.
***
*** Memo functions RETAIN keys and transfer values.
**/
/* u2_cz_find*(): find in memo cache.
*/
u2_weak u2_cz_find(u2_mote, u2_noun);
u2_weak u2_cz_find_2(u2_mote, u2_noun, u2_noun);
u2_weak u2_cz_find_3(u2_mote, u2_noun, u2_noun, u2_noun);
u2_weak u2_cz_find_4(u2_mote, u2_noun, u2_noun, u2_noun, u2_noun);
/* u2_cz_save*(): save in memo cache.
*/
u2_noun u2_cz_save(u2_mote, u2_noun, u2_noun);
u2_noun u2_cz_save_2(u2_mote, u2_noun, u2_noun, u2_noun);
u2_noun u2_cz_save_3(u2_mote, u2_noun, u2_noun, u2_noun, u2_noun);
u2_noun u2_cz_save_4
(u2_mote, u2_noun, u2_noun, u2_noun, u2_noun, u2_noun);
/* u2_cz_uniq(): uniquify with memo cache.
*/
u2_noun
u2_cz_uniq(u2_noun som);