urbit/j/6/flan.c

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/* j/6/flan.c
**
** This file is in the public domain.
*/
#include "all.h"
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/* functions
*/
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u3_noun
u3_cqf_flan(
u3_noun bos,
u3_noun nif)
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{
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if ( u3_yes == u3_cr_sing(1, u3h(bos)) ) {
if ( (u3_nul == u3t(bos)) ) {
return u3k(nif);
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}
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else return u3k(bos);
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}
else {
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if ( u3_yes == u3_cr_sing(1, u3h(nif)) ) {
if ( (u3_nul == u3t(nif)) ) {
return u3k(bos);
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}
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else return u3k(nif);
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}
else {
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return u3nq
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(6,
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u3k(bos),
u3k(nif),
u3nc(1, u3_no));
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}
}
}
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u3_noun
u3_cwf_flan(
u3_noun cor)
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{
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u3_noun bos, nif;
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if ( u3_no == u3_cr_mean(cor, u3_cv_sam_2, &bos, u3_cv_sam_3, &nif, 0) ) {
return u3_cm_bail(c3__fail);
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} else {
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return u3_cqf_flan(bos, nif);
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}
}