Cargo Features

dnsclientx has no features set by default.

[dependencies]
dnsclientx = { version = "0.4.1", features = ["std-async", "tokio-async", "smol-async", "sync"] }
std-async = async-std
tokio-async = tokio
smol-async = smol
sync

Enables is_sync of maybe-async

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.

async-std std-async?
smol smol-async?
tokio tokio-async?