mirror of
https://github.com/urbit/shrub.git
synced 2024-12-23 19:05:48 +03:00
68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
/* f/meme.c
|
|
**
|
|
*/
|
|
#include "f/meme.h"
|
|
|
|
/* u3_cka_sub(): a + b.
|
|
*/
|
|
/* u3_cka_gth(): a + b.
|
|
*/
|
|
|
|
/* u3_cka_mul(): a * b.
|
|
*/
|
|
/* u3_cka_lte(): a * b.
|
|
*/
|
|
|
|
/* u3_ckb_lent(): length of list `a`.
|
|
*/
|
|
/* u3_ckb_flop(): reverse list `a`.
|
|
*/
|
|
/* u3_ckb_weld(): concatenate lists `a` before `b`.
|
|
*/
|
|
/* u3_ckc_lsh(): left shift.
|
|
*/
|
|
/* u3_ckc_rsh(): right shift.
|
|
*/
|
|
/* u3_ckdb_get(): map get for key `b` in map `a` with u3_none.
|
|
*/
|
|
u3_weak
|
|
u3_ckdb_get(u3_noun a, u3_noun b)
|
|
{
|
|
u3_noun c = u3_cqdb_get(a, b);
|
|
|
|
u3z(a); u3z(b);
|
|
if ( u3_no == u3_cr_du(c) ) {
|
|
u3z(c);
|
|
return u3_none;
|
|
} else {
|
|
u3_noun pro = u3k(u3t(c));
|
|
|
|
u3z(c);
|
|
return pro;
|
|
}
|
|
}
|
|
|
|
/* u3_ckdb_got(): map get for key `b` in map `a` with fail.
|
|
*/
|
|
/* u3_ckdb_put(): map put for key `b`, value `c` in map `a`.
|
|
*/
|
|
/* u3_ckdb_gas(): list to map.
|
|
*/
|
|
/* u3_ckdi_gas(): list to map.
|
|
*/
|
|
|
|
/* u3_ckdb_has(): test for presence.
|
|
*/
|
|
/* u3_ckdi_has(): test for presence.
|
|
*/
|
|
/* u3_ckdi_tap(): map/set convert to list. (solves by_tap also.)
|
|
*/
|
|
|
|
/* u3_cke_cue(): expand saved pill.
|
|
*/
|
|
|
|
/* u3_cke_jam(): pack noun as atom.
|
|
*/
|
|
/* u3_cke_trip(): atom to tape.
|
|
*/
|