compare features with those of other tuple libraries

[jmorwick]

https://github.com/michaellperry/tuple

• accessor naming scheme: get1, get2, ...
• tuple class naming scheme: Double, Triple, Quadruple, Quintuple, ...
• max length: 10
• stars: 2
• last update: 6 years
• access to data via fields or methods? methods
• recursive structure? yes, for type and content
• mutable? non-final variables but no mutators
• comparable, but requires all data in tuple to also be comparable

[jmorwick]

https://github.com/javatuples/javatuples

• accessor naming scheme: getValue0, getValue1, ...
• tuple class naming scheme: Triplet, Quartet, Quintet, ...
• max length: 10
• stars: 76
• last update: 3 years
• access to data via fields or methods?
• recursive structure? no, but different interfaces for being able to provide each value
• mutable? no, final fields

[jmorwick]

https://github.com/rokon12/tuple

This one is using similar type variables and class names to mine

• accessor naming scheme: _0, _1, _2, ...
• tuple class naming scheme: Tuple0, Tuple1, Tuple2, ...
• max length: 11
• stars: 0
• last update: recent
• access to data via fields or methods? fields
• recursive structure? no
• mutable? no, final fields
• comparable, runtime error if field is not comparable

[jmorwick]

https://github.com/jOOQ/jOOL

probably the most popular one I've found

• accessor naming scheme: v1, v2, v3, ...
• tuple class naming scheme: Tuple2, Tuple3, ...
• max length: 8
• stars: 200+
• last update: recent
• access to data via fields or methods? both
• recursive structure? no
• mutable? no
• serializable yes
• curry
• 1.8 functions
• unpacking
• comparable, but error if field is not comparable

[jmorwick]

https://github.com/git-afsantos/jTuples

• accessor naming scheme: first, second, third, ...
• tuple class naming scheme: Triple, Quadruple, Quintuple
• max length: 7
• stars: 2
• last update: recent
• access to data via fields or methods? methods
• recursive structure? no
• mutable? no
• serializable? no
• curry
• 1.8 functions
• consumers
• suppliers
• other functions

[jmorwick]

https://github.com/alexec/tuples

• accessor naming scheme: _0, _1, _2, ...
• tuple class naming scheme: Tuple2, Tuple3, ...
• max length: 4
• stars: 1
• last update: 2 years
• access to data via fields or methods? fields
• recursive structure? no
• mutable? no
• serializable? no
• comparable, error if fields not comparable

[jmorwick]

https://github.com/MattUK/TupleLib

• accessor naming scheme: item1, item2, ...
• tuple class naming scheme:
• max length: 8
• stars: 1
• last update: 2 years
• access to data via fields or methods? fields
• recursive structure?
• mutable? yes
• serializable? no

[jmorwick]

https://github.com/gkarlos/jTuples

• accessor naming scheme: setA,setB, etc; get(int) for all access
• tuple class naming scheme: Pair, Triplet, ...
• max length: 5
• stars: 1
• last update: recent
• access to data via fields or methods?
• recursive structure?
• mutable? yes, immutable in progress
• serializable

[jmorwick]

https://github.com/claudemartin/FunctionalJavaTuples

modifies javatuples to add java 1.8 stuff.

• tuple class naming scheme: PairFn, TripletFn
• max length: 3
• stars: 2
• last update: 11 months
• recursive structure? yes (type variables)
• currying
• zipping/unzipping
• doesn't use java.util.function.Function
• composes functions
• packing/unpacking

[jmorwick]

https://github.com/mhogrefe/wheels

more than just tuples

• accessor naming scheme: a,b,c,...
• tuple class naming scheme: Triple, Quadruple, Quintuple, ...
• max length: 7
• stars: 1
• last update: 2 months
• access to data via fields or methods? fields
• recursive structure? no
• mutable? no
• uses @Nullable and @NotNull annotations

[jmorwick]

https://github.com/qoncept/Tuple-Java

• accessor naming scheme: get1, get2, ...
• tuple class naming scheme: Tuple0, Tuple1, Tuple2, ...
• max length: 31
• stars: 0
• last update: 7 months
• access to data via fields or methods? methods
• recursive structure? no
• mutable? no

[jmorwick]

https://github.com/jacklund/java_tuples

• accessor naming scheme: first, second, third
• tuple class naming scheme: Monople, Double, Triple
• max length: 3
• stars: 0
• last update: 2 months
• access to data via fields or methods? fields
• recursive structure? no
• mutable? no