Cargo Features

LongPort has no features set by default.

[dependencies]
longport = { version = "2.0.2", features = ["blocking"] }
blocking = flume

Affects longport::blocking

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.

flume blocking?

Enables flume ^0.10.12