trie-rs has no features set by default.
[dependencies] trie-rs = { version = "0.4.2", features = ["serde", "mem_dbg", "rayon"] }
Enables serde, serde of louds-rs
Enables mem_dbg ^0.1.4, mem_dbg of louds-rs
Enables rayon of louds-rs
trie-rs has 3 features without comments.