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REPL command mode #9249

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scabug opened this issue Mar 25, 2015 · 4 comments
Closed

REPL command mode #9249

scabug opened this issue Mar 25, 2015 · 4 comments
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@scabug
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@scabug scabug commented Mar 25, 2015

As reported at https://github.com/scala/scala/issues/4392, not everyone appreciates REPL's colon-command syntax. Since JLine already supports vi mode line edits, one accommodation would be to recognize a colon while in escaped edit mode, erase the line, draw a colon and accept command text.

This improvement would delight that fraction of users who <3 vi and also use a lot of ::. Probably under a flag.

This would make even more sense with line healing enabled.

scala> 42
res0: Int = 42

scala> :: Nil
res1: List[Int] = List(42)
@scabug
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@scabug scabug commented Mar 25, 2015

Imported From: https://issues.scala-lang.org/browse/SI-9249?orig=1
Reporter: @som-snytt
Affected Versions: 2.11.6

@scabug
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@scabug scabug commented Apr 19, 2015

Li Haoyi (lihaoyi) said:
This is "fixed" in the Ammonite REPL, which doesn't use special colon-commands at all

@ 42
res4: Int = 42
@ ::
res5: scala.collection.immutable.::.type = ::

I have never used vim mode, but since we're not hogging syntax you could give it a shot

@SethTisue
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@SethTisue SethTisue commented Apr 29, 2020

@som-snytt I'm inclined to close this as I don't really see a problem here. maybe it's me. want to convince me/us to leave it open?

the :: thing doesn't strike me as important. it's easy to work around by typing a space first

@som-snytt
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@som-snytt som-snytt commented Apr 30, 2020

JLine 3 offers more and better options.

@som-snytt som-snytt closed this Apr 30, 2020
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