bytes_ostream: Introduce write_place_holder() for arbitrary size
bytes_ostream: Introduce write_place_holder() for arbitrary size

gwicke/scylla,dwdm/scylla,victorbriz/scylla,aruanruan/scylla,avikivity/scylla,avikivity/scylla,rluta/scylla,senseb/scylla,phonkee/scylla,eklitzke/scylla,shaunstanislaus/scylla,linearregression/scylla,tempbottle/scylla,wildinto/scylla,justintung/scylla,senseb/scylla,acbellini/scylla,rentongzhang/scylla,acbellini/scylla,victorbriz/scylla,stamhe/scylla,acbellini/scylla,dwdm/scylla,guiquanz/scylla,asias/scylla,wildinto/scylla,capturePointer/scylla,wildinto/scylla,phonkee/scylla,scylladb/scylla,phonkee/scylla,scylladb/scylla,linearregression/scylla,raphaelsc/scylla,tempbottle/scylla,kangkot/scylla,rentongzhang/scylla,capturePointer/scylla,asias/scylla,tempbottle/scylla,eklitzke/scylla,senseb/scylla,rentongzhang/scylla,justintung/scylla,kjniemi/scylla,aruanruan/scylla,glommer/scylla,respu/scylla,victorbriz/scylla,bowlofstew/scylla,avikivity/scylla,raphaelsc/scylla,dwdm/scylla,kjniemi/scylla,stamhe/scylla,bowlofstew/scylla,kangkot/scylla,kjniemi/scylla,gwicke/scylla,linearregression/scylla,scylladb/scylla,scylladb/scylla,respu/scylla,eklitzke/scylla,duarten/scylla,asias/scylla,respu/scylla,shaunstanislaus/scylla,duarten/scylla,guiquanz/scylla,glommer/scylla,bowlofstew/scylla,capturePointer/scylla,raphaelsc/scylla,stamhe/scylla,rluta/scylla,shaunstanislaus/scylla,aruanruan/scylla,guiquanz/scylla,gwicke/scylla,glommer/scylla,kangkot/scylla,rluta/scylla,duarten/scylla,justintung/scylla