* lib/tempfile.rb (Tempfile#initialize): warn if a block is given.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/tempfile.rb b/lib/tempfile.rb
index a8f22c8eb6..3321116792 100644
--- a/lib/tempfile.rb
+++ b/lib/tempfile.rb
@@ -126,6 +126,9 @@ class Tempfile < DelegateClass(File)
   # If Tempfile.new cannot find a unique filename within a limited
   # number of tries, then it will raise an exception.
   def initialize(basename, *rest)
+    if block_given?
+      warn "Tempfile.new doesn't call the given block."
+    end
     @data = []
     @clean_proc = Remover.new(@data)
     ObjectSpace.define_finalizer(self, @clean_proc)