mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-04 20:54:21 +03:00
42 lines
685 B
C
42 lines
685 B
C
/* j/2/slag.c
|
|
**
|
|
** This file is in the public domain.
|
|
*/
|
|
#include "all.h"
|
|
|
|
|
|
/* functions
|
|
*/
|
|
u3_noun
|
|
u3_cqb_slag(u3_atom a, u3_noun b)
|
|
{
|
|
if ( u3_ne(u3_co_is_cat(a)) ) {
|
|
return u3_cm_bail(c3__fail);
|
|
}
|
|
else {
|
|
c3_w len_w = a;
|
|
|
|
while ( len_w ) {
|
|
if ( u3_no == u3du(b) ) {
|
|
return u3_nul;
|
|
}
|
|
b = u3t(b);
|
|
len_w--;
|
|
}
|
|
return u3k(b);
|
|
}
|
|
}
|
|
u3_noun
|
|
u3_cwb_slag(u3_noun cor)
|
|
{
|
|
u3_noun a, b;
|
|
|
|
if ( (u3_no == u3_cr_mean(cor, u3_cv_sam_2, &a, u3_cv_sam_3, &b, 0)) ||
|
|
(u3_no == u3ud(a)) )
|
|
{
|
|
return u3_cm_bail(c3__exit);
|
|
} else {
|
|
return u3_cqb_slag(a, b);
|
|
}
|
|
}
|