% < perl5.20.2 > -dwe0 

main::(-e:1):	0 
  DB<1> b File::Temp->new 
Subroutine File::Temp not found. 

  DB<2> b postpone File::Temp::new 
  DB<3> use File::Temp 
  DB<4> x File::Temp->new 
0  File::Temp=GLOB(0x283db48) 
   -> *File::Temp::$fh 
         FileHandle({*File::Temp::$fh}) => fileno(3)