class FormularioAdd extends Component{

  salva(evento){
    this.setState({
      ListaDeItens: this.state.ListaDeItens.concat(this.state.NovaTarefa)
    });
  }

  render() {
    return(
      <form onSubmit={this.salva}>
      <CampoTexto nome="NovaTarefa" />
      <Salvar nome="salvarNovaTarefa" />
      </form>

    );


  }
}