or ```fun someFunction(something: Foo): Mono<Foo> { fooRepository.find() ...

# functional

[thanerian]

or

fun someFunction(something: Foo): Mono<Foo> {
        fooRepository.find()
                .flatMap { zoo ->
                       Mono.create { functionThatReturnsZoo() } //or how Reactor create a Mono instance( i'm not familiar with that lib)
                       .flatMap { changed ->
                           fooRepository.save(zoo)// or changed
                       }
                }
}