add some return types to Example
add some return types to Example
chen0031/breeze,ContentSquare/breeze,mredaelli/breeze,sheide/breeze,ktakagaki/breeze,cilier/breeze,ktakagaki/breeze,wstcpyt/breeze,tjhunter/scalanlp-core,nikdon/breeze,claydonkey/breeze,crealytics/breeze,eponvert/breeze,scalanlp/breeze,tjhunter/scalanlp-core,calippo/breeze