mirror of
https://github.com/ilyakooo0/urbit.git
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57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
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/* j/4/by_jab.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_jab(u3_noun a,
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u3_noun key,
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u3_noun fun)
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{
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if ( u3_nul == a ) {
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return u3m_bail(c3__exit);
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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(key, pn_a)) ) {
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u3_noun value = u3n_slam_on(u3k(fun), u3k(qn_a));
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return u3nc(u3nc(u3k(pn_a), value), u3k(u3t(a)));
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}
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else {
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if ( c3y == u3qc_gor(key, pn_a) ) {
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return u3nt(u3k(n_a), u3qdb_jab(l_a, key, fun), u3k(r_a));
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}
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else {
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return u3nt(u3k(n_a), u3k(l_a), u3qdb_jab(r_a, key, fun));
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}
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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_jab(u3_noun cor)
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{
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u3_noun a, key, fun;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &key,
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u3x_sam_3, &fun,
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u3x_con_sam, &a, 0) ) {
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return u3m_bail(c3__exit);
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} else {
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u3_noun n = u3qdb_jab(a, key, fun);
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return n;
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}
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}
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