ruby/ext/-test-/arith_seq/extract/extract.c

28 строки
643 B
C

#include "ruby/ruby.h"
static VALUE
arith_seq_s_extract(VALUE mod, VALUE obj)
{
rb_arithmetic_sequence_components_t x;
VALUE ret;
int r;
r = rb_arithmetic_sequence_extract(obj, &x);
ret = rb_ary_new2(5);
rb_ary_store(ret, 0, r ? x.begin : Qnil);
rb_ary_store(ret, 1, r ? x.end : Qnil);
rb_ary_store(ret, 2, r ? x.step : Qnil);
rb_ary_store(ret, 3, r ? INT2FIX(x.exclude_end) : Qnil);
rb_ary_store(ret, 4, INT2FIX(r));
return ret;
}
void
Init_extract(void)
{
VALUE cArithSeq = rb_path2class("Enumerator::ArithmeticSequence");
rb_define_singleton_method(cArithSeq, "__extract__", arith_seq_s_extract, 1);
}