Feature Flags

The following feature flags are supported by this crate:

Feature	Description
`sync`	Support for sync-safe mode of operation
`async`	Support for async mode of operation
`tokio-backend`	Selects the Tokio backend for async mode. A no-op without the `async` feature.
`async-lock-backend`	Selects the `async-lock` backend for async mode. A no-op without the `async` feature.
`async-tokio`	Combines `async` and `tokio-backend` features.
`async-lock`	Combines `async` and `async-lock-backend` features.
`clonable-lock`	Enables the clonable lock wrapper type.
`send_guard`	See corresponding feature of the `parking_lot` crate
`serde`	Enable support for `serde` marshalling.
`diagnostics`	Enable additional diagnostics for compile time errors. Experimental, requires Rust nightly toolset.

Warning

The tokio-backend and async-lock-backend features are mutually exclusive. You can only use one of them at a time or FieldX will produce a compile-time error.