Cargo Features

[dependencies]
ciso = { version = "0.2.1", default-features = false, features = ["sync", "tokio"] }
default = tokio

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

sync

Enables is_sync of maybe-async

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

tokio default