futures-util
This version has 22 feature flags, 7 of them enabled by default.
default
std
async-await
async-await-macro
alloc
slab
futures-macro
io-compat
io
channel
unstable
compat
write-all-vectored
sink
futures-channel
tokio-io
bilock
futures_01
futures-io
futures-sink
memchr
cfg-target-has-atomic