zng::hot_reload

Struct HOT_RELOAD

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pub struct HOT_RELOAD;
Expand description

Hot reload service.

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impl HOT_RELOAD

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pub fn status(&self) -> ReadOnlyVar<Vec<HotStatus>, ArcVar<Vec<HotStatus>>>

Hot reload status, libs that are rebuilding, errors.

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pub fn rebuilder( &self, rebuilder: impl FnMut(BuildArgs) -> Option<ReadOnlyVar<Response<Result<PathBuf, BuildError>>, ArcVar<Response<Result<PathBuf, BuildError>>>>> + Send + 'static, )

Register a handler that can override the hot library rebuild.

The command should rebuild using the same features used to run the program (not just rebuild the dylib). By default it is just cargo build, that works if the program was started using only cargo run, but an example program needs a custom runner.

If rebuilder wants to handle the rebuild it must return a response var that updates when the rebuild is finished with the path to the rebuilt dylib. The BuildArgs also provides helper methods to rebuild common workspace setups.

Note that unlike most services the rebuilder is registered immediately, not after an update cycle.

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pub fn rebuild(&self, manifest_dir: impl Into<Txt>)

Request a rebuild, if manifest_dir is a hot library.

Note that changes inside the directory already trigger a rebuild automatically.

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pub fn cancel(&self, manifest_dir: impl Into<Txt>)

Request a rebuild cancel for the current building manifest_dir.

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