Cargo Features

libp2p-pubsub has no features set by default.

[dependencies]
libp2p-pubsub = { version = "0.1.0", features = ["all", "floodsub"] }
all = floodsub
floodsub all?

Enables libp2p-pubsub-floodsub

libp2p-pubsub has 2 features without comments.