take(p1)
public
Returns first n elements from
enum.
a = [1, 2, 3, 4, 5, 0]
a.take(3)
a.take(30)
static VALUE
enum_take(VALUE obj, VALUE n)
{
struct MEMO *memo;
VALUE result;
long len = NUM2LONG(n);
if (len < 0) {
rb_raise(rb_eArgError, "attempt to take negative size");
}
if (len == 0) return rb_ary_new2(0);
result = rb_ary_new2(len);
memo = MEMO_NEW(result, 0, len);
rb_block_call(obj, id_each, 0, 0, take_i, (VALUE)memo);
return result;
}