IO_METHOD(IoSeq, at)
{
/*doc Sequence at(aNumber)
Returns a value at the index specified by aNumber.
Returns nil if the index is out of bounds.
*/
size_t i = IoMessage_locals_sizetArgAt_(m, locals, 0);
UArray *a = DATA(self);
//IOASSERT((i < UArray_size(DATA(self))), "index out of bounds");
if(i >= UArray_size(DATA(self))) return IONIL(self);
if(UArray_isFloatType(a))
{
return IONUMBER(UArray_doubleAt_(a, i));
}
else
{
return IONUMBER(UArray_longAt_(a, i));
}
}
static double UArray_y(UArray *self) { return UArray_doubleAt_(self, 1); }
static double UArray_x(UArray *self) { return UArray_doubleAt_(self, 0); }