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# Description Title says it all, changes `EngineState::get_env_var` to return a `Option<&'a Value>` instead of an owned `Option<Value>`. This avoids some unnecessary clones. I also made a similar change to the `PluginExecutionContext` trait.
This crate primarily drives the evaluation of expressions.
(Some overlap with nu-protocol)
- Provides
CallExt
Internal Nushell crate
This crate implements components of Nushell and is not designed to support plugin authors or other users directly.