Haskell Language Tuples (Pairs, Triples, ...)
Remarks
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Haskell does not support tuples with one component natively.
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Units (written
()) can be understood as tuples with zero components. -
There are no predefined functions to extract components of tuples with more than two components. If you feel that you need such functions, consider using a custom data type with record labels instead of the tuple type. Then you can use the record labels as functions to extract the components.
