Cargo Features
excel_column_id has no features set by default.
[dependencies]
excel_column_id = { version = "0.1.4", features = ["with-serde"] }- with-serde = serde
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.