urbit/gen164/2/weld.c

/* j/2/weld.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"

/* functions
*/
  u2_noun
  u2_cqb_weld(u2_noun a,
                    u2_noun b)
  {
    if ( 0 == a ) {
      return u2k(b);
    }
    else if ( u2_no == u2du(a) ) {
      return u2_cm_bail(c3__exit);
    }
    else {
      return u2nc(u2k(u2h(a)), u2_cqb_weld(u2t(a), b));
    }
  }
  u2_noun
  u2_cwb_weld(u2_noun cor)
  {
    u2_noun a, b;

    if ( u2_no == u2_cr_mean(cor, u2_cv_sam_2, &a, u2_cv_sam_3, &b, 0) ) {
      return u2_cm_bail(c3__exit);
    } else {
      return u2_cqb_weld(a, b);
    }
  }