Cargo Features
futures-macro-async-preview has no features set by default.
[dependencies]
futures-macro-async-preview = { version = "0.2.2", features = ["nightly"] }- nightly
-
Enables nightly of proc-macro2 ^0.4.4
proc-macro2:
This feature no longer means anything.
futures-macro-async-preview has 1 feature without comment.