# mac (.dylib)
g++ -dynamiclib -o shared_library/mac/libHelloWorld.dylib shared_library/src/hello_world.cpp
# Linux (.so) if Android, have to compile for arm64 or arm
g++ -shared -o shared_library/linux/libHelloWorld.so shared_library/src/hello_world.cpp
pub get
pub run ./hello_world.dart