Cargo Features
unicode-width has no features set by default.
[dependencies]
unicode-width = { version = "0.1.12", features = ["rustc-dep-of-std", "no_std"] }- rustc-dep-of-std = compiler_builtins, core, std
- no_std
-
Legacy, now a no-op
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.