Lib.rs

Cargo Features

[dependencies]
futures-executor-preview = { version = "0.3.0-alpha.19", default-features = false, features = ["std"] }

default = std

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

std default = num_cpus

Enables std of futures-core-preview and futures-util-preview

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.

num_cpus std