core: add a share() helper for deleter class
core: add a share() helper for deleter class

avikivity/scylla,linearregression/seastar,dwdm/scylla,sjperkins/seastar,ducthangho/imdb,gwicke/scylla,linearregression/seastar,norcimo5/seastar,joerg84/seastar,kjniemi/scylla,kjniemi/seastar,cloudius-systems/seastar,shyamalschandra/seastar,sjperkins/seastar,cloudius-systems/seastar,hongliangzhao/seastar,scylladb/scylla-seastar,rluta/scylla,scylladb/scylla,printedheart/seastar,aruanruan/scylla,avikivity/scylla,wildinto/scylla,senseb/scylla,justintung/scylla,victorbriz/scylla,linearregression/scylla,bowlofstew/scylla,scylladb/seastar,rentongzhang/scylla,tempbottle/scylla,scylladb/scylla-seastar,dreamsxin/seastar,senseb/scylla,glommer/scylla,kangkot/scylla,leejir/seastar,syuu1228/seastar,victorbriz/scylla,raphaelsc/seastar,eklitzke/scylla,asias/scylla,eklitzke/scylla,linearregression/seastar,guiquanz/scylla,kjniemi/seastar,bowlofstew/seastar,syuu1228/seastar,sjperkins/seastar,norcimo5/seastar,jonathanleang/seastar,bowlofstew/scylla,anzihenry/seastar,shyamalschandra/seastar,kjniemi/scylla,wildinto/seastar,shaunstanislaus/scylla,guiquanz/scylla,bowlofstew/scylla,asias/scylla,tempbottle/seastar,linearregression/scylla,jonathanleang/seastar,printedheart/seastar,respu/scylla,mixja/seastar,kangkot/scylla,tempbottle/scylla,shaunstanislaus/scylla,aruanruan/scylla,kjniemi/scylla,joerg84/seastar,stamhe/seastar,raphaelsc/seastar,kangkot/scylla,scylladb/seastar,stamhe/scylla,rentongzhang/scylla,anzihenry/seastar,koolhazz/seastar,ducthangho/imdb,rentongzhang/scylla,scylladb/scylla,stamhe/scylla,gwicke/scylla,scylladb/scylla-seastar,flashbuckets/seastar,rluta/scylla,dreamsxin/seastar,linearregression/scylla,mixja/seastar,justintung/scylla,dwdm/seastar,gwicke/scylla,phonkee/scylla,scylladb/scylla,rluta/scylla,slivne/seastar,xtao/seastar,victorbriz/scylla,koolhazz/seastar,shaunstanislaus/scylla,stamhe/scylla,phonkee/scylla,acbellini/scylla,aruanruan/scylla,bzero/seastar,bzero/seastar,capturePointer/scylla,xtao/seastar,kjniemi/seastar,tempbottle/scylla,phonkee/scylla,acbellini/seastar,dreamsxin/seastar,chunshengster/seastar,respu/scylla,syuu1228/seastar,flashbuckets/seastar,raphaelsc/seastar,koolhazz/seastar,wildinto/seastar,flashbuckets/seastar,printedheart/seastar,chunshengster/seastar,guiquanz/scylla,leejir/seastar,raphaelsc/scylla,bowlofstew/seastar,avikivity/seastar,slivne/seastar,dwdm/seastar,ducthangho/imdb,scylladb/scylla,leejir/seastar,anzihenry/seastar,stamhe/seastar,wildinto/seastar,hongliangzhao/seastar,avikivity/seastar,avikivity/scylla,hongliangzhao/seastar,mixja/seastar,glommer/scylla,tempbottle/seastar,stamhe/seastar,shyamalschandra/seastar,avikivity/seastar,wildinto/scylla,bowlofstew/seastar,tempbottle/seastar,capturePointer/scylla,joerg84/seastar,acbellini/scylla,dwdm/scylla,xtao/seastar,slivne/seastar,dwdm/scylla,wildinto/scylla,acbellini/scylla,eklitzke/scylla,duarten/scylla,duarten/scylla,norcimo5/seastar,chunshengster/seastar,senseb/scylla,cloudius-systems/seastar,glommer/scylla,raphaelsc/scylla,jonathanleang/seastar,justintung/scylla,capturePointer/scylla,raphaelsc/scylla,scylladb/seastar,acbellini/seastar,acbellini/seastar,bzero/seastar,respu/scylla,duarten/scylla,dwdm/seastar,asias/scylla