Eliminate iteration over Option types
Eliminate iteration over Option types

This idiom has been dying out in new Rust code; it's especially
confusing for layers because there is a higher chance of making the
mistaken assumption that the iteration is occurring over multiple
layers.

boghison/servo,Shraddha512/servo,snf/servo,wartman4404/servo,aidanhs/servo,indykish/servo,tschneidereit/servo,s142857/servo,canaltinova/servo,nrc/servo,karlito40/servo,pyecs/servo,aidanhs/servo,indykish/servo,KiChjang/servo,cbrewster/servo,AnthonyBroadCrawford/servo,aweinstock314/servo,paulrouget/servo,deokjinkim/servo,nick-thompson/servo,seanmonstar/servo,karlito40/servo,notriddle/servo,steveklabnik/servo,tafia/servo,caldwell/servo,deokjinkim/servo,ConnorGBrewster/servo,anthgur/servo,zhangjunlei26/servo,thiagopnts/servo,caldwell/servo,codemac/servo,eddyb/servo,GyrosOfWar/servo,WriterOfAlicrow/servo,evilpie/servo,zentner-kyle/servo,dsandeephegde/servo,huonw/servo,ryancanhelpyou/servo,indykish/servo,anthgur/servo,aweinstock314/servo,dsandeephegde/servo,caldwell/servo,ConnorGBrewster/servo,wpgallih/servo,karlito40/servo,DominoTree/servo,rentongzhang/servo,dsandeephegde/servo,anthgur/servo,nick-thompson/servo,huonw/servo,dsandeephegde/servo,froydnj/servo,rixrix/servo,tschneidereit/servo,steveklabnik/servo,pyfisch/servo,avadacatavra/servo,meh/servo,nick-thompson/servo,thiagopnts/servo,GyrosOfWar/servo,indykish/servo,saneyuki/servo,eddyb/servo,dvberkel/servo,KiChjang/servo,thiagopnts/servo,thiagopnts/servo,dmarcos/servo,bfrohs/servo,A-deLuna/servo,CJ8664/servo,rentongzhang/servo,nnethercote/servo,j3parker/servo,zhangjunlei26/servo,froydnj/servo,tempbottle/servo,ryancanhelpyou/servo,pgonda/servo,mattnenterprise/servo,vks/servo,DominoTree/servo,Adenilson/prototype-viewing-distance,fiji-flo/servo,brendandahl/servo,wartman4404/servo,indykish/servo,saratang/servo,shrenikgala/servo,pgonda/servo,seanmonstar/servo,CJ8664/servo,peterjoel/servo,saneyuki/servo,ruud-v-a/servo,tempbottle/servo,froydnj/servo,emilio/servo,pyfisch/servo,mukilan/servo,runarberg/servo,GreenRecycleBin/servo,youprofit/servo,juzer10/servo,j3parker/servo,notriddle/servo,peterjoel/servo,hyowon/servo,paulrouget/servo,shrenikgala/servo,j3parker/servo,ruud-v-a/servo,szeged/servo,vks/servo,canaltinova/servo,pyecs/servo,KiChjang/servo,jimberlage/servo,echochamber/servo,rnestler/servo,mt2d2/servo,ruud-v-a/servo,runarberg/servo,nerith/servo,mbrubeck/servo,A-deLuna/servo,avadacatavra/servo,dati91/servo,juzer10/servo,nnethercote/servo,mbrubeck/servo,tafia/servo,sadmansk/servo,mt2d2/servo,seanmonstar/servo,emilio/servo,mbrubeck/servo,avadacatavra/servo,larsbergstrom/servo,vks/servo,walac/servo,larsbergstrom/servo,fiji-flo/servo,szeged/servo,steveklabnik/servo,jlegendary/servo,anthgur/servo,WriterOfAlicrow/servo,jimberlage/servo,dati91/servo,paulrouget/servo,dhananjay92/servo,samfoo/servo,A-deLuna/servo,saratang/servo,boghison/servo,splav/servo,g-k/servo,GyrosOfWar/servo,A-deLuna/servo,nrc/servo,nnethercote/servo,kindersung/servo,CJ8664/servo,caldwell/servo,steveklabnik/servo,wpgallih/servo,KiChjang/servo,KiChjang/servo,szeged/servo,sadmansk/servo,meh/servo,bjwbell/servo,canaltinova/servo,notriddle/servo,A-deLuna/servo,DominoTree/servo,vks/servo,dagnir/servo,ConnorGBrewster/servo,cbrewster/servo,RenaudParis/servo,bjwbell/servo,shrenikgala/servo,jimberlage/servo,akosel/servo,chotchki/servo,GreenRecycleBin/servo,szeged/servo,zhangjunlei26/servo,dmarcos/servo,vks/servo,tschneidereit/servo,jimberlage/servo,evilpie/servo,aidanhs/servo,Adenilson/prototype-viewing-distance,srbhklkrn/SERVOENGINE,boghison/servo,jimberlage/servo,larsbergstrom/servo,jgraham/servo,jlegendary/servo,meh/servo,RenaudParis/servo,dhananjay92/servo,nrc/servo,cbrewster/servo,pyfisch/servo,aweinstock314/servo,wartman4404/servo,CJ8664/servo,mukilan/servo,meh/servo,srbhklkrn/SERVOENGINE,indykish/servo,tempbottle/servo,mt2d2/servo,youprofit/servo,pgonda/servo,fiji-flo/servo,mdibaiee/servo,sadmansk/servo,zhangjunlei26/servo,splav/servo,WriterOfAlicrow/servo,paulrouget/servo,fiji-flo/servo,karlito40/servo,g-k/servo,anthgur/servo,tafia/servo,s142857/servo,saneyuki/servo,pyecs/servo,walac/servo,steveklabnik/servo,froydnj/servo,SimonSapin/servo,dvberkel/servo,rentongzhang/servo,juzer10/servo,tempbottle/servo,chotchki/servo,froydnj/servo,bfrohs/servo,boghison/servo,akosel/servo,jgraham/servo,splav/servo,huonw/servo,kindersung/servo,eddyb/servo,j3parker/servo,brendandahl/servo,Shraddha512/servo,avadacatavra/servo,splav/servo,SimonSapin/servo,szeged/servo,wpgallih/servo,pyfisch/servo,WriterOfAlicrow/servo,anthgur/servo,saneyuki/servo,michaelwu/servo,aidanhs/servo,RenaudParis/servo,pyfisch/servo,ruud-v-a/servo,codemac/servo,tafia/servo,pgonda/servo,luniv/servo,splav/servo,Adenilson/prototype-viewing-distance,dvberkel/servo,rentongzhang/servo,mukilan/servo,hyowon/servo,jdramani/servo,notriddle/servo,nerith/servo,jlegendary/servo,nnethercote/servo,saratang/servo,thiagopnts/servo,luniv/servo,echochamber/servo,jlegendary/servo,srbhklkrn/SERVOENGINE,saratang/servo,Adenilson/prototype-viewing-distance,srbhklkrn/SERVOENGINE,saneyuki/servo,pgonda/servo,KiChjang/servo,Shraddha512/servo,evilpie/servo,ryancanhelpyou/servo,szeged/servo,RenaudParis/servo,codemac/servo,jgraham/servo,bjwbell/servo,hyowon/servo,upsuper/servo,SimonSapin/servo,SimonSapin/servo,boghison/servo,jgraham/servo,GyrosOfWar/servo,rixrix/servo,DominoTree/servo,larsbergstrom/servo,rentongzhang/servo,avadacatavra/servo,upsuper/servo,meh/servo,indykish/servo,emilio/servo,mattnenterprise/servo,splav/servo,akosel/servo,fiji-flo/servo,jdramani/servo,avadacatavra/servo,cbrewster/servo,nerith/servo,juzer10/servo,codemac/servo,AnthonyBroadCrawford/servo,jgraham/servo,steveklabnik/servo,mt2d2/servo,dmarcos/servo,larsbergstrom/servo,mukilan/servo,rentongzhang/servo,mattnenterprise/servo,nnethercote/servo,zentner-kyle/servo,WriterOfAlicrow/servo,paulrouget/servo,AnthonyBroadCrawford/servo,rnestler/servo,dagnir/servo,samfoo/servo,thiagopnts/servo,kindersung/servo,hyowon/servo,pgonda/servo,seanmonstar/servo,DominoTree/servo,nnethercote/servo,indykish/servo,saratang/servo,ryancanhelpyou/servo,sadmansk/servo,Shraddha512/servo,pgonda/servo,deokjinkim/servo,Shraddha512/servo,mt2d2/servo,dsandeephegde/servo,tafia/servo,evilpie/servo,srbhklkrn/SERVOENGINE,bfrohs/servo,canaltinova/servo,mdibaiee/servo,rixrix/servo,pyecs/servo,eddyb/servo,nick-thompson/servo,GreenRecycleBin/servo,saneyuki/servo,mattnenterprise/servo,snf/servo,SimonSapin/servo,juzer10/servo,peterjoel/servo,SimonSapin/servo,srbhklkrn/SERVOENGINE,SimonSapin/servo,nerith/servo,brendandahl/servo,ConnorGBrewster/servo,KiChjang/servo,zhangjunlei26/servo,dvberkel/servo,walac/servo,splav/servo,tschneidereit/servo,sadmansk/servo,deokjinkim/servo,s142857/servo,peterjoel/servo,KiChjang/servo,mdibaiee/servo,peterjoel/servo,froydnj/servo,szeged/servo,Shraddha512/servo,luniv/servo,GyrosOfWar/servo,seanmonstar/servo,runarberg/servo,mbrubeck/servo,paulrouget/servo,AnthonyBroadCrawford/servo,jlegendary/servo,huonw/servo,upsuper/servo,srbhklkrn/SERVOENGINE,wpgallih/servo,dmarcos/servo,peterjoel/servo,sadmansk/servo,kindersung/servo,nerith/servo,deokjinkim/servo,emilio/servo,bjwbell/servo,jdramani/servo,rnestler/servo,akosel/servo,dati91/servo,AnthonyBroadCrawford/servo,splav/servo,pyfisch/servo,echochamber/servo,fiji-flo/servo,anthgur/servo,akosel/servo,GyrosOfWar/servo,evilpie/servo,eddyb/servo,tschneidereit/servo,jgraham/servo,dvberkel/servo,kindersung/servo,j3parker/servo,samfoo/servo,aidanhs/servo,snf/servo,walac/servo,ConnorGBrewster/servo,samfoo/servo,evilpie/servo,tempbottle/servo,runarberg/servo,rnestler/servo,ruud-v-a/servo,upsuper/servo,paulrouget/servo,nnethercote/servo,rixrix/servo,KiChjang/servo,notriddle/servo,wartman4404/servo,s142857/servo,nrc/servo,deokjinkim/servo,pyfisch/servo,nrc/servo,dsandeephegde/servo,pyfisch/servo,aweinstock314/servo,notriddle/servo,snf/servo,emilio/servo,zhangjunlei26/servo,caldwell/servo,aweinstock314/servo,evilpie/servo,hyowon/servo,wpgallih/servo,cbrewster/servo,nnethercote/servo,jdramani/servo,g-k/servo,emilio/servo,michaelwu/servo,nnethercote/servo,pyfisch/servo,DominoTree/servo,g-k/servo,tafia/servo,szeged/servo,cbrewster/servo,dagnir/servo,shrenikgala/servo,notriddle/servo,youprofit/servo,DominoTree/servo,SimonSapin/servo,aweinstock314/servo,echochamber/servo,vks/servo,codemac/servo,bfrohs/servo,larsbergstrom/servo,AnthonyBroadCrawford/servo,zentner-kyle/servo,pyecs/servo,AnthonyBroadCrawford/servo,upsuper/servo,runarberg/servo,dati91/servo,jdramani/servo,luniv/servo,anthgur/servo,ryancanhelpyou/servo,snf/servo,KiChjang/servo,tschneidereit/servo,samfoo/servo,brendandahl/servo,boghison/servo,dati91/servo,dagnir/servo,mdibaiee/servo,s142857/servo,rentongzhang/servo,wpgallih/servo,pyecs/servo,GreenRecycleBin/servo,jimberlage/servo,luniv/servo,seanmonstar/servo,eddyb/servo,canaltinova/servo,avadacatavra/servo,Adenilson/prototype-viewing-distance,jimberlage/servo,michaelwu/servo,nrc/servo,rnestler/servo,zentner-kyle/servo,caldwell/servo,echochamber/servo,juzer10/servo,bjwbell/servo,peterjoel/servo,aweinstock314/servo,nick-thompson/servo,nnethercote/servo,mattnenterprise/servo,shrenikgala/servo,mbrubeck/servo,evilpie/servo,sadmansk/servo,chotchki/servo,walac/servo,jimberlage/servo,ConnorGBrewster/servo,deokjinkim/servo,meh/servo,dagnir/servo,dhananjay92/servo,wpgallih/servo,juzer10/servo,tschneidereit/servo,snf/servo,nerith/servo,mt2d2/servo,caldwell/servo,pyfisch/servo,saneyuki/servo,g-k/servo,zentner-kyle/servo,cbrewster/servo,dmarcos/servo,rixrix/servo,karlito40/servo,DominoTree/servo,thiagopnts/servo,upsuper/servo,mt2d2/servo,GreenRecycleBin/servo,dhananjay92/servo,codemac/servo,ConnorGBrewster/servo,paulrouget/servo,aidanhs/servo,rixrix/servo,saratang/servo,saneyuki/servo,eddyb/servo,szeged/servo,dsandeephegde/servo,kindersung/servo,mdibaiee/servo,codemac/servo,ConnorGBrewster/servo,karlito40/servo,steveklabnik/servo,paulrouget/servo,notriddle/servo,peterjoel/servo,dmarcos/servo,DominoTree/servo,huonw/servo,g-k/servo,A-deLuna/servo,jimberlage/servo,sadmansk/servo,samfoo/servo,ruud-v-a/servo,mbrubeck/servo,karlito40/servo,emilio/servo,notriddle/servo,CJ8664/servo,youprofit/servo,tempbottle/servo,mdibaiee/servo,Adenilson/prototype-viewing-distance,tempbottle/servo,chotchki/servo,szeged/servo,meh/servo,emilio/servo,ryancanhelpyou/servo,vks/servo,wartman4404/servo,mukilan/servo,shrenikgala/servo,brendandahl/servo,runarberg/servo,paulrouget/servo,youprofit/servo,zhangjunlei26/servo,dagnir/servo,walac/servo,s142857/servo,zentner-kyle/servo,dati91/servo,akosel/servo,wpgallih/servo,A-deLuna/servo,jdramani/servo,zhangjunlei26/servo,larsbergstrom/servo,dagnir/servo,echochamber/servo,wpgallih/servo,hyowon/servo,g-k/servo,walac/servo,nick-thompson/servo,evilpie/servo,dati91/servo,GyrosOfWar/servo,rixrix/servo,RenaudParis/servo,nick-thompson/servo,rnestler/servo,bjwbell/servo,rixrix/servo,larsbergstrom/servo,luniv/servo,zentner-kyle/servo,canaltinova/servo,CJ8664/servo,michaelwu/servo,dati91/servo,brendandahl/servo,snf/servo,emilio/servo,ryancanhelpyou/servo,WriterOfAlicrow/servo,GreenRecycleBin/servo,akosel/servo,dvberkel/servo,fiji-flo/servo,canaltinova/servo,emilio/servo,jlegendary/servo,upsuper/servo,rnestler/servo,kindersung/servo,jgraham/servo,Adenilson/prototype-viewing-distance,dsandeephegde/servo,bfrohs/servo,CJ8664/servo,chotchki/servo,brendandahl/servo,Shraddha512/servo,RenaudParis/servo,dhananjay92/servo,huonw/servo,nrc/servo,michaelwu/servo,michaelwu/servo,echochamber/servo,jdramani/servo,eddyb/servo,WriterOfAlicrow/servo,pyecs/servo,shrenikgala/servo,aidanhs/servo,avadacatavra/servo,saratang/servo,zhangjunlei26/servo,mbrubeck/servo,upsuper/servo,dhananjay92/servo,CJ8664/servo,s142857/servo,boghison/servo,mbrubeck/servo,mattnenterprise/servo,GreenRecycleBin/servo,rixrix/servo,splav/servo,runarberg/servo,saneyuki/servo,mattnenterprise/servo,peterjoel/servo,tafia/servo,mattnenterprise/servo,DominoTree/servo,dvberkel/servo,j3parker/servo,dhananjay92/servo,youprofit/servo,peterjoel/servo,hyowon/servo,chotchki/servo,wartman4404/servo,splav/servo,thiagopnts/servo,mdibaiee/servo,mukilan/servo,fiji-flo/servo,nerith/servo,saneyuki/servo,samfoo/servo,bfrohs/servo,bjwbell/servo,huonw/servo,larsbergstrom/servo,youprofit/servo,j3parker/servo,indykish/servo,canaltinova/servo,cbrewster/servo,GreenRecycleBin/servo,jlegendary/servo,wartman4404/servo,GreenRecycleBin/servo,larsbergstrom/servo,RenaudParis/servo,rnestler/servo,dmarcos/servo,notriddle/servo,luniv/servo