Cargo Features

[dependencies]
fast-able = { version = "1.6.0", default-features = false, features = ["async", "std_lock", "reentrant_lock"] }
default = std_lock

The std_lock feature is set by default whenever fast-able is added without default-features = false somewhere in the dependency tree.

async

Enables async of flume ^0.10

std_lock default
reentrant_lock

fast-able has 4 features without comments.