Assemble new container in xpad (#1808)
Assemble new container in xpad (#1808)

Assemble a new expanded container then copy input value into it
Co-authored-by: Tom de Geus <40ef78f1ee53621a342b6e7c3beb180782fa2ba2@users.noreply.github.com>

QuantStack/xtensor,QuantStack/xtensor,xtensor-stack/xtensor,JohanMabille/xtensor,JohanMabille/xtensor,xtensor-stack/xtensor