Scala Buggabot

Add intersectWith, unionWith, diffWith to Traversables, Maps

2

Functions intersectWith(), unionWith(), diffWith(), or similar names, should be added to generic Traversables or at least to Maps. Note that IntMap and LongMap already have intersectionWith() and unionWith(). The name...

Exhaustive pattern matching is found non-exhaustive for anonymous class

2

The following two snippets must live in different files. First a sealed `Base` hierarchy. ```scala sealed abstract class Base sealed trait A extends Base object A { case object Root...

AbstractMethodError with separate compilation of subclass of trait containing inner class

6

This bug only occurs when separately compiling the two files: File 1: ```scala trait TypeHints { def + (hints: TypeHints): TypeHints = CompositeTypeHints() private[TypeHints] case class CompositeTypeHints() extends TypeHints }...

Intermittent spurious override warning with macro definition and implicit parameter list

2

When I compile (with sbt 0.11.2) the code in the following GitHub repo: https://github.com/paulbutcher/scala-macro-bug I **sometimes** get: ``` [error] /Users/paul/scala/foo/src/main/scala/Base.scala:2: overriding value factory in trait Mock of type c.Expr[MockFactoryBase]; [error]...

diverging implicit with context bounds

2

The order of implicit parameters matters during use site-inference. The method definitions below successfully compile. Actually using y and z yields a compile-time error with message: "diverging implicit expansion for...

Re-engineer Maps with defaults

12

The current semantics of `.withDefault` and `.withDefaultValue` are tricky: there's no way to know whether `.apply(key)` will return a value or Nothing. `.get(key)` will return `Some(value)` if explicitly contained in...

can't existentially abstract over parameterized type F

1

Consider the following snippet. Casting to existential causing the error "can't existentially abstract over parameterized type F". `test1` fails for both scala 2.10 and 2.11 `test2` works for 2.10 but...

Invalid return type when using default method parameters on non-stable instances

6

The following code fails to compile. The failure happens when a method has a default parameter, has a return type depending on one of its parameters; when the method itself...

Links to members on self fail when using -groups

1

Run `scaladoc -groups` for the following class: ```scala /** * See [[boppy]]. * * @groupname stuff Stuff */ trait Bippy { /** * Boppy. * @group stuff */ def boppy:...

Can't define value class's value as implicit

2

Seems you can't define a value class's value as implicit: ```scala class IntW(implicit val n: Int) extends AnyVal ``` --- ```scala Foo.scala:1: error: value class may not be a member...