diff options
| -rw-r--r-- | src/library/scala/runtime/RichString.scala | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/library/scala/runtime/RichString.scala b/src/library/scala/runtime/RichString.scala index 435422bb64..de6e4bdbd9 100644 --- a/src/library/scala/runtime/RichString.scala +++ b/src/library/scala/runtime/RichString.scala @@ -138,11 +138,14 @@ final class RichString(val self: String) extends Proxy with RandomAccessSeq[Char linesWithSeparators map (line => new RichString(line).stripLineEnd) /** Returns this string with first character converted to upper case */ - def capitalize: String = { - val chars = self.toCharArray - chars(0) = chars(0).toUpperCase - new String(chars) - } + def capitalize: String = + if (self == null) null + else if (self.length == 0) "" + else { + val chars = self.toCharArray + chars(0) = chars(0).toUpperCase + new String(chars) + } /** <p> * For every line in this string: |