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63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
/* j/4/by_has.c
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**
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*/
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#include "all.h"
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/* functions
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*/
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u3_noun
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u3qdb_has(
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u3_noun a,
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u3_noun b)
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{
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if ( u3_nul == a ) {
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return c3n;
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}
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else {
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u3_noun l_a, n_a, r_a;
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u3_noun pn_a, qn_a;
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if ( (c3n == u3r_trel(a, &n_a, &l_a, &r_a)) ||
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(c3n == u3r_cell(n_a, &pn_a, &qn_a)) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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if ( (c3y == u3r_sing(b, pn_a)) ) {
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return c3y;
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}
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else {
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if ( c3y == u3qc_gor(b, pn_a) ) {
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return u3qdb_has(l_a, b);
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}
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else return u3qdb_has(r_a, b);
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}
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}
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}
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}
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u3_noun
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u3wdb_has(
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u3_noun cor)
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam, &b, u3x_con_sam, &a, 0) ) {
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return u3m_bail(c3__exit);
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} else {
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return u3qdb_has(a, b);
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}
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}
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u3_noun
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u3kdb_has(u3_noun a, u3_noun b)
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{
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u3_weak c = u3qdb_has(a, b);
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u3z(a); u3z(b);
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if ( u3_none == c ) {
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return u3m_bail(c3__exit);
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}
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else return c;
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}
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