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Join operations on maps #9896

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scabug opened this issue Aug 19, 2016 · 2 comments
Open

Join operations on maps #9896

scabug opened this issue Aug 19, 2016 · 2 comments

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@scabug
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scabug commented Aug 19, 2016

It would be great if map collections offered basic join operations such us:

  • inner join
  • left join
  • right join

For simplicity, this operations would only join maps (thus key uniqueness is guaranteed at each collection) so the resulting maps' values would consist on pairs of values, value-optional value and optional value - value respectively. Keeping things simple but providing rich building blocks for complex algorithms.

@scabug
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scabug commented Aug 19, 2016

Imported From: https://issues.scala-lang.org/browse/SI-9896?orig=1
Reporter: Pablo Francisco Pérez Hidalgo (pfcoperez)
Affected Versions: 2.12.0-M5

@scabug
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scabug commented Aug 19, 2016

Pablo Francisco Pérez Hidalgo (pfcoperez) said:
There is a PR at: scala/scala#5353

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