Cargo Features

[dependencies]
natpmp-ng = { version = "0.5.0", default-features = false, features = ["all", "tokio", "async-std"] }
default = tokio

The tokio feature is set by default whenever natpmp-ng is added without default-features = false somewhere in the dependency tree.

all = async-std, tokio
tokio default all?

Enables tokio

async-std all?

Enables async-std

natpmp-ng has 4 features without comments.