# Ephemeral to Durable
# Invoke foo() here
def main():
    resonate.run(foo, promise_id, args)

# Ephemeral to Durable
# Invoke foo() over there
def main():
    resonate.options(target="group-b").rpc("foo", promise_id, args)

# Durable to Durable
# Run bar() here
@resonate.register
def foo(ctx, args):
    promise = yield ctx.lfi(bar, args)
    result = yield promise
    return result

# Durable to Durable
# Run bar() over there
@resonate.register
def foo(ctx, args):
    promise = yield ctx.rfi("bar", args).options(
        target="group-b"
    )
    result = yield promise
    return result

# Durable to Durable
# Run bar() detached
@resonate.register
def foo(ctx, args):
    yield ctx.detached("bar", args).options(
        target="group-b"
    )
    return