What's next
for the library.
Best-effort plan. Items move based on user feedback, real-world breakage, and sponsorship. Nothing here is a commitment to a specific release date.
Next 1–2 releases
In progress or ready to start.
Records-based tuples
Modern com.svenruppert.functional.tuple package with
proper Java records — landed alongside the classic DataRecords
nested classes for JDK 8 compatibility.
Documentation
Migrating the long-form EntwicklerPress article into structured tutorials and API reference pages — this site is the result.
Fluent Case alternative
A builder-style entry point next to the existing varargs match(...):
Case.on(value).when(p, v).when(p, v).orElse(v).
Same machinery, friendlier shape for callers chaining many branches.
Result<E, T> variant
Two-parameter Result that carries a typed failure
instead of a String. The existing
Result<T> stays as the default; this is opt-in.
Next 6–12 months
Designed but not started; subject to user feedback.
Structured concurrency adapter
Thin helpers that bridge CompletableFutureQueue with
Java 21's StructuredTaskScope. Opt-in module for
users on JDK 21+, JDK 8 baseline stays intact.
Virtual-thread executor
First-class support for handing a virtual-thread executor to
thenCombineAsync stages — including the docs notes
on when virtual threads actually help vs. when they don't.
Pattern-matching helpers
Sugar for combining Case with JDK 21+
switch patterns — for users who want the best of both.
Benchmarks & performance notes
JMH benchmarks for Memoizer,
CheckedFunction and
CompletableFutureQueue so the docs can give honest
"use this when…" guidance.
Maybe, no commitment
Ideas worth tracking. Will land if there's demand and a clean design.
ScopedValue helpers
Bridging JDK 21+ scoped values into pipeline stages.
Flow API adapters
Interop between Result chains and JDK 9 reactive streams.
Kotlin extensions
Small companion module with extension functions and destructuring for Kotlin callers.
Property-based test helpers
JQwik integration for the laws of Result / CheckedFunction.
Cache backends for Memoizer
Optional bridge to Caffeine for TTL/size-bounded memoization.
"Cookbook" tutorial section
Short task-shaped recipes: "lift this throwing call", "merge two services", "retry with backoff".
Have a feature in mind?
Open an issue with the use case. Sponsorship moves roadmap items forward; consulting engagements sometimes pull them into a release directly.