reactor-core/src/main/java/reactor/core/publisher/Flux.java
public final Mono<Boolean> any(Predicate<? super T> predicate) {
		return Mono.onAssembly(new MonoAny<>(this, predicate));
	}
public final Mono<Boolean> any(Predicate<? super T> predicate) {
		return Mono.onAssembly(new MonoAny<>(this, predicate));
	}
Emit a single boolean true if any of the values of this {@link Flux} sequence match
the predicate.
<p>
The implementation uses short-circuit logic and completes with false if any value
doesn't match the predicate.

<p>
<img class="marble" src="doc-files/marbles/any.svg" alt="">

@param predicate the {@link Predicate} that needs to apply to at least one emitted item

@return a new {@link Mono} with <code>true</code> if any value satisfies a predicate and <code>false</code>
otherwise