Cargo Features

midir has no features set by default.

[dependencies]
midir = { version = "0.10.0", features = ["avoid_timestamping", "coremidi_send_timestamped", "jack", "winrt"] }
avoid_timestamping
coremidi_send_timestamped
jack = jack-sys, libc
winrt

Enables Devices_Enumeration, Devices_Midi, Foundation, Foundation_Collections, Storage_Streams and Win32_System_WinRT of windows

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.

jack-sys jack?
libc jack?