Cargo Features
Crystal has no features set by default.
[dependencies]
crystal = { version = "0.0.1-alpha1", features = ["repl"] }- repl = rustyline
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Required by the repl binary
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.
- rustyline repl?
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Enables rustyline ^13.0.0