code: func (ps *printState) printInner(prefixOnly bool) []AST {
  	var save []AST
  	var psave *[]AST
  	if prefixOnly {
  		psave = &save
  	}
  	for len(ps.inner) > 0 {
  		ps.printOneInner(psave)
  	}
  	return save
  }
docs: // Print the inner types.