diff options
author | Paul Phillips <paulp@improving.org> | 2012-04-14 06:16:32 +0100 |
---|---|---|
committer | Paul Phillips <paulp@improving.org> | 2012-04-16 04:14:54 +0100 |
commit | 4a6f54b5f16b3179b23a44f2f1d83f080e218f72 (patch) | |
tree | 9d68580b78f9da34f4b90a90f1eb10182c4cd6c7 /test/files/run/repl-colon-type.check | |
parent | 364dd41c3e0e33afe6c3ec6e0c04f1d345c4b6ca (diff) | |
download | scala-4a6f54b5f16b3179b23a44f2f1d83f080e218f72.tar.gz scala-4a6f54b5f16b3179b23a44f2f1d83f080e218f72.tar.bz2 scala-4a6f54b5f16b3179b23a44f2f1d83f080e218f72.zip |
New facility: TypeDestructurers.
Would prefer to bake a little longer, but, scala days.
More elaboration to come.
Diffstat (limited to 'test/files/run/repl-colon-type.check')
-rw-r--r-- | test/files/run/repl-colon-type.check | 173 |
1 files changed, 170 insertions, 3 deletions
diff --git a/test/files/run/repl-colon-type.check b/test/files/run/repl-colon-type.check index 66c2fcc77f..cb0b9a6c8b 100644 --- a/test/files/run/repl-colon-type.check +++ b/test/files/run/repl-colon-type.check @@ -7,6 +7,12 @@ scala> :type List[1, 2, 3] <console>:2: error: identifier expected but integer literal found. List[1, 2, 3] ^ +<console>:3: error: ']' expected but '}' found. + } + ^ +<console>:1: error: identifier expected but integer literal found. + List[1, 2, 3] + ^ scala> :type List(1, 2, 3) @@ -25,7 +31,7 @@ scala> :type def f[T >: Null, U <: String](x: T, y: U) = Set(x, y) [T >: Null, U <: String](x: T, y: U)scala.collection.immutable.Set[Any] scala> :type def x = 1 ; def bar[T >: Null <: AnyRef](xyz: T) = 5 -[T >: Null <: AnyRef](xyz: T)Int +=> Int <and> [T >: Null <: AnyRef](xyz: T)Int scala> @@ -39,10 +45,19 @@ scala> :type lazy val f = 5 Int scala> :type protected lazy val f = 5 -Int +<console>:2: error: illegal start of statement (no modifiers allowed here) + protected lazy val f = 5 + ^ +<console>:5: error: lazy value f cannot be accessed in object $iw + Access to protected value f not permitted because + enclosing object $eval in package $line19 is not a subclass of + object $iw where target is defined + lazy val $result = `f` + ^ + scala> :type def f = 5 -Int +=> Int scala> :type def f() = 5 ()Int @@ -54,4 +69,156 @@ scala> :type def g[T](xs: Set[_ <: T]) = Some(xs.head) scala> +scala> // verbose! + +scala> :type -v List(1,2,3) filter _ +// Type signature +(Int => Boolean) => List[Int] + +// Internal Type structure +TypeRef( + TypeSymbol(abstract trait Function1[-T1, +R] extends Object) + args = List( + TypeRef( + TypeSymbol(abstract trait Function1[-T1, +R] extends Object) + args = List( + TypeRef(TypeSymbol(final class Int extends AnyVal)) + TypeRef(TypeSymbol(final class Boolean extends AnyVal)) + ) + ) + TypeRef( + TypeSymbol( + sealed abstract class List[+A] extends AbstractSeq[A] with LinearSeq[A] with Product with GenericTraversableTemplate[A,List] with LinearSeqOptimized[A,List[A]] + + ) + args = List( + TypeRef(TypeSymbol(final class Int extends AnyVal)) + ) + ) + ) +) + +scala> :type -v def f[T >: Null, U <: String](x: T, y: U) = Set(x, y) +// Type signature +[T >: Null, U <: String](x: T, y: U)scala.collection.immutable.Set[Any] + +// Internal Type structure +PolyType( + typeParams = List(TypeParam(T >: Null), TypeParam(U <: String)) + resultType = MethodType( + params = List(TermSymbol(x: T), TermSymbol(y: U)) + resultType = TypeRef( + TypeSymbol( + abstract trait Set[A] extends Iterable[A] with Set[A] with GenericSetTemplate[A,scala.collection.immutable.Set] with SetLike[A,scala.collection.immutable.Set[A]] with Parallelizable[A,scala.collection.parallel.immutable.ParSet[A]] + + ) + args = List(TypeRef(TypeSymbol(abstract class Any extends ))) + ) + ) +) + +scala> :type -v def x = 1 ; def bar[T >: Null <: AnyRef](xyz: T) = 5 +// Type signature +=> Int <and> [T >: Null <: AnyRef](xyz: T)Int + +// Internal Type structure +OverloadedType( + alts = List( + NullaryMethodType( + TypeRef(TypeSymbol(final class Int extends AnyVal)) + ) + PolyType( + typeParams = List(TypeParam(T >: Null <: AnyRef)) + resultType = MethodType( + params = List(TermSymbol(xyz: T)) + resultType = TypeRef( + TypeSymbol(final class Int extends AnyVal) + ) + ) + ) + ) +) + +scala> :type -v Nil.combinations _ +// Type signature +Int => Iterator[List[Nothing]] + +// Internal Type structure +TypeRef( + TypeSymbol(abstract trait Function1[-T1, +R] extends Object) + args = List( + TypeRef(TypeSymbol(final class Int extends AnyVal)) + TypeRef( + TypeSymbol( + abstract trait Iterator[+A] extends TraversableOnce[A] + ) + args = List( + TypeRef( + TypeSymbol( + sealed abstract class List[+A] extends AbstractSeq[A] with LinearSeq[A] with Product with GenericTraversableTemplate[A,List] with LinearSeqOptimized[A,List[A]] + + ) + args = List( + TypeRef( + TypeSymbol(final abstract class Nothing extends Any) + ) + ) + ) + ) + ) + ) +) + +scala> :type -v def f[T <: AnyVal] = List[T]().combinations _ +// Type signature +[T <: AnyVal]=> Int => Iterator[List[T]] + +// Internal Type structure +PolyType( + typeParams = List(TypeParam(T <: AnyVal)) + resultType = NullaryMethodType( + TypeRef( + TypeSymbol(abstract trait Function1[-T1, +R] extends Object) + args = List( + TypeRef(TypeSymbol(final class Int extends AnyVal)) + TypeRef( + TypeSymbol( + abstract trait Iterator[+A] extends TraversableOnce[A] + ) + args = List( + TypeRef( + TypeSymbol( + sealed abstract class List[+A] extends AbstractSeq[A] with LinearSeq[A] with Product with GenericTraversableTemplate[A,List] with LinearSeqOptimized[A,List[A]] + + ) + args = List(TypeParamTypeRef(TypeParam(T <: AnyVal))) + ) + ) + ) + ) + ) + ) +) + +scala> :type -v def f[T, U >: T](x: T, y: List[U]) = x :: y +// Type signature +[T, U >: T](x: T, y: List[U])List[U] + +// Internal Type structure +PolyType( + typeParams = List(TypeParam(T), TypeParam(U >: T)) + resultType = MethodType( + params = List(TermSymbol(x: T), TermSymbol(y: List[U])) + resultType = TypeRef( + TypeSymbol( + sealed abstract class List[+A] extends AbstractSeq[A] with LinearSeq[A] with Product with GenericTraversableTemplate[A,List] with LinearSeqOptimized[A,List[A]] + + ) + args = List(TypeParamTypeRef(TypeParam(U >: T))) + ) + ) +) + +scala> + scala> |