Weakifying (is this even a word?) spring for UIView.animate...., since the completion might be called when the spring is already nil
Weakifying (is this even a word?) spring for UIView.animate...., since the completion might be called when the spring is already nil

BlessNeo/Spring,wealrain/Spring,kalsariyac/Spring,naoyashiga/Spring,Michaelyb520/Spring,Farteen/Spring,nanthi1990/Spring,sujeking/Spring,rishabhtayal/Spring,MengTo/Spring,fullstackclub/Spring,HuylensHu/Spring,fullstackclub/Spring,pengleelove/Spring,BlessNeo/Spring,qingpengchen2011/Spring,MengTo/Spring,mangues/Spring,j364960953/Spring,naoyashiga/Spring,ernestopino/Spring,sygool/Spring-1,msdgwzhy6/Spring,rishabhtayal/Spring,xuanyi0627/Spring,SanChain/Spring,omnizhang/Spring,pocketworks/Spring,dhlsnow/Spring,chrisearl/Spring,naohta/Spring,ramoslin02/Spring,noprom/Spring,suaing49/Spring,omnizhang/Spring,pocketworks/Spring,JusticeBao/Spring,BlessNeo/Spring,LawrenceHan/Spring,hanangellove/Spring,qingpengchen2011/Spring,machelix/Spring,existmaster/Spring,Michaelyb520/Spring,iosyoujian/Spring,j364960953/Spring,HuylensHu/Spring,jackeychens/Spring,jackeychens/Spring,plainspace/Spring,mangues/Spring,ramoslin02/Spring,iosyoujian/Spring,stunjiturner/Spring,zhangbo/Spring,pflnh/Spring,sygool/Spring-1,msdgwzhy6/Spring,xuanyi0627/Spring,KBvsMJ/Spring,stunjiturner/Spring,JeeLiu/Spring,kalsariyac/Spring,qingpengchen2011/Spring,msdgwzhy6/Spring,sunfei/Spring,zhangbo/Spring,HuylensHu/Spring,ShyHornet/Spring,nitxc/Spring,sunfei/Spring,icepy/Spring,wealrain/Spring,Anish-kumar-dev/Spring,leasual/Spring,Farteen/Spring,JeeLiu/Spring,imkevinxu/Spring,SanChain/Spring,existmaster/Spring,Farteen/Spring,LawrenceHan/Spring,ernestopino/Spring,machelix/Spring,Anish-kumar-dev/Spring,JusticeBao/Spring,kalsariyac/Spring,mangues/Spring,SanChain/Spring,pengleelove/Spring,iosyoujian/Spring,nanthi1990/Spring,leasual/Spring,naohta/Spring,fullstackclub/Spring,hanangellove/Spring,iDurian/Spring,KBvsMJ/Spring,plainspace/Spring,zhangbo/Spring,sygool/Spring-1,Michaelyb520/Spring,machelix/Spring,naoyashiga/Spring,leold198975/Spring,leasual/Spring,nitxc/Spring,suaing49/Spring,icepy/Spring,ramoslin02/Spring,leold198975/Spring,ShyHornet/Spring,suaing49/Spring,Anish-kumar-dev/Spring,iDurian/Spring,nitxc/Spring,rishabhtayal/Spring,omnizhang/Spring,existmaster/Spring,wealrain/Spring,sujeking/Spring,iDurian/Spring,LawrenceHan/Spring,JeeLiu/Spring,naohta/Spring,jackeychens/Spring,noprom/Spring,pengleelove/Spring,yuByte/Spring,j364960953/Spring,chrisearl/Spring,dhlsnow/Spring,sunfei/Spring,yuByte/Spring,icepy/Spring,nanthi1990/Spring,pflnh/Spring,plainspace/Spring,yuByte/Spring,noprom/Spring,hanangellove/Spring