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Repl replay last erroneous line #9787

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scabug opened this issue May 20, 2016 · 1 comment
Open

Repl replay last erroneous line #9787

scabug opened this issue May 20, 2016 · 1 comment
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enhancement help wanted repl
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@scabug
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scabug commented May 20, 2016

When I replay with different compiler options, almost always I want to also replay that last erroneous line that will exhibit different behavior with the new options.

Can you do that?

scala> (new p.Base with p.Impls.ConcreteImpl).foo
res0: Int = 1

scala> import p._, Impls._
import p._
import Impls._

scala> (new Base with ConcreteImpl).foo
java.lang.AbstractMethodError: $anon$1.foo()I
  ... 32 elided

scala> :replay -Yno-load-impl-class
Replaying: (new p.Base with p.Impls.ConcreteImpl).foo
res0: Int = 1

Replaying: import p._, Impls._
import p._
import Impls._


scala> (new Base with ConcreteImpl).foo
res1: Int = 1
@scabug
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scabug commented May 20, 2016

Imported From: https://issues.scala-lang.org/browse/SI-9787?orig=1
Reporter: @som-snytt
Affected Versions: 2.12.0-M3

@scabug scabug added this to the Backlog milestone Apr 7, 2017
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@SethTisue @scabug