Crate zng_app_context

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App execution context.

§Crate

This crate is part of the zng project.

§Cargo Features

This crate provides 3 feature flags, 1 enabled by default.

§"multi_app"

Allows multiple app instances per-process.

This feature allows multiple apps, one app per thread at a time. The LocalContext tracks what app is currently running in each thread and app_local! statics switch to the value of each app depending on the current thread.

§"debug_default"

Enable "multi_app" in debug builds.

Enabled by default.

§"dyn_closure"

Box closures at opportune places, such as Var::map, reducing the number of monomorphised types.

This speeds-up compilation time at the cost of runtime.

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