Lib.rs

Cargo Features

[dependencies]
futures-task = { version = "0.3.30", default-features = false, features = ["std", "alloc", "unstable", "cfg-target-has-atomic"] }

default = std

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

std default = alloc

alloc std

unstable

These features are no longer used.
TODO: remove in the next major version.

cfg-target-has-atomic