A port of a classic.
The grow_memory_to.o object file exports a "grow_memory_to" function to grow
the number of memory pages to a given target when there are currently fewer
pages.
Build with ./build.sh.
Run dfx start in another terminal, then:
$ dfx canister install --all $ dfx canister call adventure play $ dfx canister call adventure play --type string yes $ dfx canister call adventure play --type string east $ dfx canister call adventure play --type string "get water"
and so on.