Method sliceElementValue

core/list.go:503–514

sliceElementValue returns an underlying non-pointer [reflect.Value] of slice element at given index or ElementValue if out of range.

(si int)

// sliceElementValue returns an underlying non-pointer [reflect.Value]
// of slice element at given index or ElementValue if out of range.
func (lb *ListBase) sliceElementValue(si int) reflect.Value {
	var val reflect.Value
	if si < lb.SliceSize {
		val = reflectx.Underlying(lb.sliceUnderlying.Index(si)) // deal with pointer lists
	} else {
		val = lb.elementValue
	}
	if !val.IsValid() {
		val = lb.elementValue
	}
	return val
}

func (lb *ListBase) MakeGrid(p *tree.Plan, maker func(p *tree.Plan)) {
	tree.AddAt(p, "grid", func(w *ListGrid) {