Cargo Features

midi2-clip has no features set by default.

[dependencies]
midi2-clip = { version = "0.1.0", features = ["smf"] }
smf = rimd

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.

rimd smf?