Explicación: Servicios http
9. PUT (editar)
9.1. Servicio: update(id, post)
src/app/services/posts.service.ts
update(id: number, post: Post) {
return this.http.put<Post>(`${this.url}/${id}`, post);
}src/app/services/posts.service.ts
update(id: number, post: Post) {
return this.http.put<Post>(`${this.url}/${id}`, post);
}