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/// @file
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
u3_noun
u3qc_cat(u3_atom a,
u3_atom b,
u3_atom c)
{
if ( !_(u3a_is_cat(a)) || (a >= 32) ) {
return u3m_bail(c3__fail);
}
else {
c3_g a_g = a;
c3_w lew_w = u3r_met(a_g, b);
c3_w ler_w = u3r_met(a_g, c);
c3_w all_w = (lew_w + ler_w);
if ( 0 == all_w ) {
return 0;
}
else {
u3i_slab sab_u;
u3i_slab_from(&sab_u, b, a_g, all_w);
u3r_chop(a_g, 0, ler_w, lew_w, sab_u.buf_w, c);
return u3i_slab_mint(&sab_u);
}
}
}
u3_noun
u3wc_cat(u3_noun cor)
{
u3_noun a, b, c;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &a,
u3x_sam_6, &b,
u3x_sam_7, &c, 0)) ||
(c3n == u3ud(a)) ||
(c3n == u3ud(b)) ||
(c3n == u3ud(c)) )
{
return u3m_bail(c3__exit);
} else {
return u3qc_cat(a, b, c);
}
}
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