urbit/j/b/drop.c

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/* j/2/drop.c
**
*/
#include "all.h"
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/* functions
*/
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u3_noun
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u3qb_drop(u3_noun a)
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{
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if ( 0 == a ) {
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return u3_nul;
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}
else {
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return u3nc(0, u3k(u3t(a)));
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}
}
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u3_noun
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u3wb_drop(u3_noun cor)
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{
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u3_noun a;
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if ( u3_none == (a = u3r_at(u3x_sam, cor)) ) {
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return u3_none;
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} else {
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return u3qb_drop(a);
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}
}