Method rangeBlock

gen/spec.go:487–496

does: for idx := range iter { {{generate inner}} }

(ctx *Context, idx string, iter string, t traversal, inner Elem)

//	    {{generate inner}}
//	}
func (p *printer) rangeBlock(ctx *Context, idx string, iter string, t traversal, inner Elem) {
	ctx.PushVar(idx)
	// Tags on slices do not extend to the elements, so we always disable allownil on elements.
	// If we want this to happen in the future, it should be a unique tag.
	inner.SetIsAllowNil(false)
	p.printf("\n for %s := range %s {", idx, iter)
	next(t, inner)
	p.closeblock()
	ctx.Pop()
}

func (p *printer) nakedReturn() {
	if p.ok() {