Cargo Features

[dependencies]
wgp = { version = "0.2.0", default-features = false, features = ["atomic-waker", "futures-util"] }
default = futures-util

The futures-util feature is set by default whenever wgp is added without default-features = false somewhere in the dependency tree.

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.

atomic-waker implicit feature

Enables atomic-waker

atomic-waker:

A synchronization primitive for task wakeup

futures-util default