1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/// @file
#include "jets/k.h"
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
u3_noun
u3qc_swp(u3_atom a,
u3_atom b)
{
if ( !_(u3a_is_cat(a)) || (a >= 32) ) {
return u3m_bail(c3__fail);
}
c3_g a_g = a;
c3_w len_w = u3r_met(a_g, b);
u3i_slab sab_u;
u3i_slab_init(&sab_u, a_g, len_w);
for (c3_w i = 0; i < len_w; i++) {
u3r_chop(a_g, i, 1, len_w - i - 1, sab_u.buf_w, b);
}
return u3i_slab_mint(&sab_u);
}
u3_noun
u3wc_swp(u3_noun cor)
{
u3_noun a, b;
u3x_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0);
if ( (c3n == u3ud(a))
|| (c3n == u3ud(b)) )
{
return u3m_bail(c3__exit);
}
return u3qc_swp(a, b);
}
u3_noun
u3kc_swp(u3_atom a,
u3_atom b)
{
u3_noun pro = u3qc_swp(a, b);
u3z(a); u3z(b);
return pro;
}
|
