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sometimes cannot splice lists of trees into a quasiquote #6840

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scabug opened this issue Dec 18, 2012 · 3 comments
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sometimes cannot splice lists of trees into a quasiquote #6840

scabug opened this issue Dec 18, 2012 · 3 comments
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@densh
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has PR quasiquotes
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2.11.0-M7

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@scabug
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scabug commented Dec 18, 2012 

val q"class $name extends Liftable { ..$body }" = tree
val newdefs = body collect { ... }
q"class $name extends AnyRef { ..${body ++ newdefs} }"

In this snippet above, body ++ newdefs doesn't work unless adorned in a toList.
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scabug commented Dec 18, 2012

Imported From: https://issues.scala-lang.org/browse/SI-6840?orig=1
Reporter: @xeno-by
Affected Versions: 2.11.0-M4
See #6155

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scabug commented Oct 2, 2013

@densh said:
The problem is that typechecking with Any as expected type (declared type of the argument of the quasiquote) causes body ++ newdefs to be typechecked as Any.

This seems to be related to #6155.

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scabug commented Oct 19, 2013

@densh said:
scala/scala#3059

@scabug scabug closed this as completed Oct 23, 2013
@scabug scabug added this to the 2.11.0-M7 milestone Apr 7, 2017
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