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better unification for compound types

implicit

infer

Status: Open.

#5550 In scala/bug;

· scabug opened on Mar 5, 2012

Wildcard capture goes wrong on nested wildcard

existential

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

infer

should not compile

Status: Open.

#9419 In scala/bug;

· scabug opened on Jul 28, 2015

Inferred types must uniformly encounter the same restrictions as declared types

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

should not compile

Status: Open.

#6944 In scala/bug;

· scabug opened on Jan 8, 2013

Garbage collecting REPL bindings...

enhancement

repl

Status: Open.

#4331 In scala/bug;

· scabug opened on Mar 10, 2011

Scala Language Specification HTML website has duplicate ID attributes

good first issue

help wanted

language spec

Status: Open.

#11720 In scala/bug;

· JoergWMittag opened on Sep 1, 2019

Feature: Warn against creating packages and classes with file names illegal on Windows

enhancement

errors and warnings

Status: Open.

#11721 In scala/bug;

· Sciss opened on Sep 2, 2019

wrong "fruitless type test" warning

errors and warnings

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#11705 In scala/bug;

· scf37 opened on Aug 22, 2019

Optimizer: Tuple copy and copy$default are not inlined

optimizer

Status: Open.

#11669 In scala/bug;

· lrytz opened on Aug 8, 2019

DSL for using a String as the input of a process

enhancement

library

module:scala.sys

Status: Open.

#11668 In scala/bug;

· jroper opened on Aug 8, 2019

Static forwarders are sometimes missing generic signatures

Status: Open.

#11305 In scala/bug;

· lrytz opened on Dec 12, 2018

Unify Scala hashing algorithms

library

Status: Open.

#10084 In scala/bug;

· scabug opened on Nov 30, 2016

Scala 2.12 -> 2.13 regression in type inference dealising

infer

regression

should compile

Status: Open.

#11660 In scala/bug;

· japgolly opened on Aug 4, 2019

Reflection exceptions using structural types with Java classes

structural types

Status: Open.

#11656 In scala/bug;

· rjmac opened on Jul 31, 2019

Scalac outputs least informative error

errors and warnings

implicit

Status: Open.

#10234 In scala/bug;

· scabug opened on Mar 17, 2017

Improve user experience when unapplySeq doesn't conform to the expected "structural" type

patmat

Status: Open.

#11102 In scala/bug;

· lrytz opened on Aug 22, 2018

a curious case of ill-scoped references when argument list and callee are in different scopes

typer

Status: Open.

#7881 In scala/bug;

· scabug opened on Sep 27, 2013

Fragile initialization of runtime reflection universe, forces a large graph

reflection

Status: Open.

#10903 In scala/bug;

· lrytz opened on May 25, 2018

spurious "illegal cyclic reference" in self-referring supertype

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

Status: Open.

#8649 In scala/bug;

· scabug opened on Jun 6, 2014

Incorrect encoding and decoding of symbolic names in scaladoc links

scaladoc tool

Status: Open.

#11587 In scala/bug;

· szeiger opened on Jun 25, 2019

Type params ScalaDoc for PartialFunction.compose incorrectly fused

scaladoc tool

Status: Open.

#9430 In scala/bug;

· scabug opened on Aug 6, 2015

Option.chain() & PartialFunction.liftChain()

enhancement

library

Status: Open.

#8618 In scala/bug;

· scabug opened on May 25, 2014

Contravariance prevents proper type derivation in Scala 2.13.0

fixed in Scala 3This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)This issue does not exist in the Scala 3 compiler (https://github.com/lampepfl/dotty/)

typer

Status: Open.

#11570 In scala/bug;

· swachter opened on Jun 16, 2019

existential type bound check fails in value class

should compile

valueclass

Status: Open.

#11562 In scala/bug;

· kailuowang opened on Jun 7, 2019

Methods inherited from generic traits sometimes have types erased to Object

java interop

Status: Open.

#8905 In scala/bug;

· scabug opened on Oct 13, 2014

ExecutionContext.defaultReporter should try to use Thread.getDefaultUncaughtExceptionHandler if available

concurrency

Status: Open.

#11535 In scala/bug;

· dylemma opened on May 15, 2019