Add print capture variables for pblock#242

Open

dhcdht wants to merge 4 commits intofacebook:mainfrom dhcdht:printBlock

+118-16

Commits on Apr 23, 2018

fix facebook#198 pblock & pproperties type erro
董宏昌
committed

Commits on Apr 24, 2018

Add print capture variables for pblock
董宏昌
committed
fix pblock error
董宏昌
committed

Commits on May 22, 2018

remove min_var_count and add comments
dhcdht
committed