Scala Library errors

Standard library for the Scala Programming Language

http://www.scala-lang.org/
Solution coverage:
Summary coverage:

DescriptionException TypeEntry MethodWeb pages

Nil$.head() has thrown a NoSuchElementException

java.util.NoSuchElementException
scala.collection.immutable.Nil$.head
99Web pages
NoSuchElementExceptionNil$.head99
Package namePatterns foundSolution coverageSummary coverage
scala.concurrent.forkjoin769
scala.concurrent.impl150
scala.collection.immutable147
scala112
scala.collection111
scala.collection.mutable109
scala.runtime57
scala.util36
scala.io36
scala.concurrent30
scala.sys.process10
scala.util.matching7
scala.collection.convert5
scala.math4
scala.collection.generic4
scala.sys2
scala.collection.concurrent1
scala.collection.parallel.mutable1
scala.runtime.java81
scala.util.continuations1
scala.xml1
scala.collection.parallel1
scala.reflect1
scala.concurrent.duration1
Package nameClass namePatterns foundSolution coverageSummary coverage
scala.collection.immutableList39
scala.collection.immutableStringOps32
scala.collection.immutableHashSet$HashTrieSet21
scala.collection.immutable$colon$colon7
scala.collection.immutableHashMap$HashTrieMap5
scala.collection.immutableStream5
scala.collection.immutableVector5
scala.collection.immutableStream$Cons5
scala.collection.immutableHashMap$HashMap15
scala.collection.immutableHashMap3
scala.collection.immutableRange3
scala.collection.immutableNil$3
scala.collection.immutableList$SerializationProxy2
scala.collection.immutableHashSet2
scala.collection.immutableQueue2
scala.collection.immutableNumericRange$1
scala.collection.immutableMap$Map11
scala.collection.immutableVectorIterator1
scala.collection.immutableHashMap$1
scala.collection.immutableMap$Map31
scala.collection.immutableWrappedString1
scala.collection.immutableRedBlackTree$1
scala.collection.immutableStringOps$1
Package nameClass nameMethod namePatterns foundSolution coverage
scala.collection.immutableNil$head2
scala.collection.immutableNil$tail1
Package nameClass nameMethod nameException TypePatterns foundSolution coverage
scala.collection.immutableNil$headNoSuchElementException2