RelNote: better use case for Optional "cache" method
RelNote: better use case for Optional "cache" method

Swift SVN r14153

arvedviehweger/swift,swiftix/swift.old,kusl/swift,nathawes/swift,airspeedswift/swift,milseman/swift,jckarter/swift,natecook1000/swift,lorentey/swift,allevato/swift,huonw/swift,zisko/swift,swiftix/swift,ahoppen/swift,alblue/swift,hooman/swift,cbrentharris/swift,amraboelela/swift,nathawes/swift,manavgabhawala/swift,khizkhiz/swift,austinzheng/swift,SwiftAndroid/swift,shajrawi/swift,hughbe/swift,jmgc/swift,swiftix/swift.old,hooman/swift,felix91gr/swift,gmilos/swift,sschiau/swift,codestergit/swift,dduan/swift,tinysun212/swift-windows,jopamer/swift,aschwaighofer/swift,atrick/swift,swiftix/swift,brentdax/swift,CodaFi/swift,kstaring/swift,tkremenek/swift,CodaFi/swift,tkremenek/swift,kusl/swift,mightydeveloper/swift,cbrentharris/swift,adrfer/swift,benlangmuir/swift,zisko/swift,slavapestov/swift,dduan/swift,bitjammer/swift,manavgabhawala/swift,dduan/swift,khizkhiz/swift,emilstahl/swift,stephentyrone/swift,adrfer/swift,roambotics/swift,kentya6/swift,natecook1000/swift,shajrawi/swift,Ivacker/swift,natecook1000/swift,alblue/swift,russbishop/swift,adrfer/swift,kperryua/swift,rudkx/swift,shajrawi/swift,sdulal/swift,swiftix/swift.old,jckarter/swift,felix91gr/swift,MukeshKumarS/Swift,nathawes/swift,austinzheng/swift,russbishop/swift,IngmarStein/swift,jopamer/swift,parkera/swift,codestergit/swift,swiftix/swift,austinzheng/swift,emilstahl/swift,brentdax/swift,therealbnut/swift,shahmishal/swift,benlangmuir/swift,return/swift,jopamer/swift,zisko/swift,glessard/swift,roambotics/swift,hughbe/swift,ben-ng/swift,emilstahl/swift,MukeshKumarS/Swift,airspeedswift/swift,return/swift,IngmarStein/swift,stephentyrone/swift,aschwaighofer/swift,emilstahl/swift,russbishop/swift,arvedviehweger/swift,deyton/swift,sdulal/swift,natecook1000/swift,allevato/swift,CodaFi/swift,emilstahl/swift,jckarter/swift,shahmishal/swift,kperryua/swift,uasys/swift,Jnosh/swift,JaSpa/swift,aschwaighofer/swift,deyton/swift,gribozavr/swift,Jnosh/swift,austinzheng/swift,swiftix/swift,OscarSwanros/swift,lorentey/swift,felix91gr/swift,modocache/swift,Jnosh/swift,jtbandes/swift,slavapestov/swift,danielmartin/swift,stephentyrone/swift,ken0nek/swift,LeoShimonaka/swift,uasys/swift,cbrentharris/swift,tinysun212/swift-windows,mightydeveloper/swift,harlanhaskins/swift,gribozavr/swift,aschwaighofer/swift,devincoughlin/swift,Jnosh/swift,tjw/swift,mightydeveloper/swift,adrfer/swift,cbrentharris/swift,adrfer/swift,karwa/swift,rudkx/swift,frootloops/swift,devincoughlin/swift,jopamer/swift,shahmishal/swift,swiftix/swift,parkera/swift,rudkx/swift,felix91gr/swift,harlanhaskins/swift,dreamsxin/swift,deyton/swift,shahmishal/swift,airspeedswift/swift,huonw/swift,stephentyrone/swift,brentdax/swift,practicalswift/swift,LeoShimonaka/swift,danielmartin/swift,shajrawi/swift,deyton/swift,SwiftAndroid/swift,roambotics/swift,modocache/swift,glessard/swift,apple/swift,IngmarStein/swift,xwu/swift,jckarter/swift,kperryua/swift,sdulal/swift,apple/swift,ahoppen/swift,gmilos/swift,KrishMunot/swift,kentya6/swift,karwa/swift,xedin/swift,swiftix/swift.old,huonw/swift,jckarter/swift,natecook1000/swift,ben-ng/swift,JaSpa/swift,dduan/swift,hooman/swift,sdulal/swift,jtbandes/swift,LeoShimonaka/swift,xwu/swift,shahmishal/swift,bitjammer/swift,tardieu/swift,LeoShimonaka/swift,airspeedswift/swift,benlangmuir/swift,johnno1962d/swift,therealbnut/swift,danielmartin/swift,nathawes/swift,arvedviehweger/swift,kentya6/swift,karwa/swift,Ivacker/swift,stephentyrone/swift,jopamer/swift,danielmartin/swift,JGiola/swift,lorentey/swift,ken0nek/swift,Jnosh/swift,uasys/swift,emilstahl/swift,djwbrown/swift,sschiau/swift,jmgc/swift,modocache/swift,khizkhiz/swift,shahmishal/swift,slavapestov/swift,mightydeveloper/swift,devincoughlin/swift,JaSpa/swift,gmilos/swift,atrick/swift,practicalswift/swift,deyton/swift,allevato/swift,MukeshKumarS/Swift,karwa/swift,dduan/swift,KrishMunot/swift,glessard/swift,calebd/swift,sschiau/swift,johnno1962d/swift,return/swift,manavgabhawala/swift,benlangmuir/swift,kperryua/swift,mightydeveloper/swift,atrick/swift,xedin/swift,codestergit/swift,karwa/swift,Jnosh/swift,parkera/swift,calebd/swift,codestergit/swift,gribozavr/swift,mightydeveloper/swift,nathawes/swift,jtbandes/swift,tinysun212/swift-windows,calebd/swift,JaSpa/swift,tardieu/swift,amraboelela/swift,lorentey/swift,OscarSwanros/swift,CodaFi/swift,felix91gr/swift,therealbnut/swift,arvedviehweger/swift,gregomni/swift,SwiftAndroid/swift,tjw/swift,frootloops/swift,CodaFi/swift,sdulal/swift,tardieu/swift,deyton/swift,uasys/swift,kentya6/swift,SwiftAndroid/swift,gregomni/swift,devincoughlin/swift,danielmartin/swift,ben-ng/swift,hooman/swift,kentya6/swift,OscarSwanros/swift,gmilos/swift,sdulal/swift,calebd/swift,airspeedswift/swift,jtbandes/swift,huonw/swift,parkera/swift,MukeshKumarS/Swift,airspeedswift/swift,manavgabhawala/swift,slavapestov/swift,Ivacker/swift,huonw/swift,jtbandes/swift,cbrentharris/swift,tinysun212/swift-windows,allevato/swift,apple/swift,devincoughlin/swift,harlanhaskins/swift,codestergit/swift,slavapestov/swift,SwiftAndroid/swift,IngmarStein/swift,shajrawi/swift,arvedviehweger/swift,parkera/swift,parkera/swift,amraboelela/swift,amraboelela/swift,brentdax/swift,shajrawi/swift,nathawes/swift,frootloops/swift,practicalswift/swift,xedin/swift,brentdax/swift,devincoughlin/swift,ben-ng/swift,lorentey/swift,kperryua/swift,gmilos/swift,khizkhiz/swift,kentya6/swift,OscarSwanros/swift,frootloops/swift,rudkx/swift,hughbe/swift,khizkhiz/swift,russbishop/swift,jtbandes/swift,johnno1962d/swift,CodaFi/swift,sschiau/swift,lorentey/swift,apple/swift,hooman/swift,ken0nek/swift,benlangmuir/swift,gribozavr/swift,return/swift,gottesmm/swift,tjw/swift,gottesmm/swift,roambotics/swift,jckarter/swift,SwiftAndroid/swift,russbishop/swift,djwbrown/swift,tkremenek/swift,gottesmm/swift,LeoShimonaka/swift,therealbnut/swift,milseman/swift,djwbrown/swift,amraboelela/swift,modocache/swift,dreamsxin/swift,felix91gr/swift,kstaring/swift,tkremenek/swift,therealbnut/swift,bitjammer/swift,ahoppen/swift,tjw/swift,alblue/swift,calebd/swift,dduan/swift,sschiau/swift,xwu/swift,Ivacker/swift,allevato/swift,bitjammer/swift,adrfer/swift,alblue/swift,hughbe/swift,uasys/swift,xwu/swift,tardieu/swift,mightydeveloper/swift,emilstahl/swift,gregomni/swift,zisko/swift,adrfer/swift,deyton/swift,apple/swift,IngmarStein/swift,swiftix/swift.old,practicalswift/swift,MukeshKumarS/Swift,gmilos/swift,xedin/swift,tinysun212/swift-windows,bitjammer/swift,Ivacker/swift,tkremenek/swift,stephentyrone/swift,OscarSwanros/swift,glessard/swift,kperryua/swift,lorentey/swift,devincoughlin/swift,djwbrown/swift,frootloops/swift,hughbe/swift,KrishMunot/swift,sschiau/swift,jmgc/swift,harlanhaskins/swift,rudkx/swift,kusl/swift,cbrentharris/swift,jmgc/swift,cbrentharris/swift,roambotics/swift,swiftix/swift.old,stephentyrone/swift,KrishMunot/swift,JaSpa/swift,gribozavr/swift,swiftix/swift.old,tkremenek/swift,swiftix/swift,JGiola/swift,johnno1962d/swift,jopamer/swift,CodaFi/swift,parkera/swift,milseman/swift,kstaring/swift,kstaring/swift,austinzheng/swift,LeoShimonaka/swift,cbrentharris/swift,return/swift,tinysun212/swift-windows,kusl/swift,SwiftAndroid/swift,zisko/swift,return/swift,apple/swift,arvedviehweger/swift,allevato/swift,xwu/swift,LeoShimonaka/swift,shajrawi/swift,ahoppen/swift,ken0nek/swift,tardieu/swift,calebd/swift,jtbandes/swift,johnno1962d/swift,kstaring/swift,aschwaighofer/swift,johnno1962d/swift,dduan/swift,shahmishal/swift,hooman/swift,ben-ng/swift,allevato/swift,calebd/swift,practicalswift/swift,johnno1962d/swift,IngmarStein/swift,gottesmm/swift,harlanhaskins/swift,aschwaighofer/swift,jmgc/swift,xedin/swift,sschiau/swift,KrishMunot/swift,natecook1000/swift,benlangmuir/swift,khizkhiz/swift,gribozavr/swift,glessard/swift,atrick/swift,codestergit/swift,xedin/swift,amraboelela/swift,alblue/swift,devincoughlin/swift,gregomni/swift,huonw/swift,ahoppen/swift,tjw/swift,atrick/swift,sdulal/swift,MukeshKumarS/Swift,tkremenek/swift,austinzheng/swift,karwa/swift,jmgc/swift,sdulal/swift,ken0nek/swift,gribozavr/swift,modocache/swift,manavgabhawala/swift,russbishop/swift,brentdax/swift,bitjammer/swift,felix91gr/swift,frootloops/swift,huonw/swift,kusl/swift,xedin/swift,KrishMunot/swift,kentya6/swift,brentdax/swift,nathawes/swift,roambotics/swift,xwu/swift,arvedviehweger/swift,Ivacker/swift,swiftix/swift.old,mightydeveloper/swift,Ivacker/swift,glessard/swift,parkera/swift,hooman/swift,bitjammer/swift,codestergit/swift,kstaring/swift,tjw/swift,gottesmm/swift,gribozavr/swift,Ivacker/swift,Jnosh/swift,JGiola/swift,xwu/swift,gottesmm/swift,tardieu/swift,shahmishal/swift,emilstahl/swift,djwbrown/swift,rudkx/swift,uasys/swift,MukeshKumarS/Swift,JGiola/swift,therealbnut/swift,JaSpa/swift,ben-ng/swift,OscarSwanros/swift,manavgabhawala/swift,return/swift,JaSpa/swift,hughbe/swift,OscarSwanros/swift,swiftix/swift,modocache/swift,ben-ng/swift,harlanhaskins/swift,milseman/swift,jmgc/swift,xedin/swift,milseman/swift,amraboelela/swift,milseman/swift,ken0nek/swift,russbishop/swift,tjw/swift,ken0nek/swift,kperryua/swift,JGiola/swift,tardieu/swift,airspeedswift/swift,karwa/swift,gregomni/swift,natecook1000/swift,KrishMunot/swift,modocache/swift,kstaring/swift,zisko/swift,therealbnut/swift,slavapestov/swift,khizkhiz/swift,karwa/swift,manavgabhawala/swift,shajrawi/swift,alblue/swift,practicalswift/swift,harlanhaskins/swift,practicalswift/swift,djwbrown/swift,kusl/swift,gregomni/swift,zisko/swift,practicalswift/swift,jckarter/swift,tinysun212/swift-windows,IngmarStein/swift,aschwaighofer/swift,austinzheng/swift,danielmartin/swift,ahoppen/swift,atrick/swift,slavapestov/swift,lorentey/swift,gmilos/swift,frootloops/swift,JGiola/swift,danielmartin/swift,gottesmm/swift,jopamer/swift,kusl/swift,uasys/swift,LeoShimonaka/swift,kentya6/swift,milseman/swift,sschiau/swift,hughbe/swift,djwbrown/swift,kusl/swift,alblue/swift