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# Description While reviewing #14388, I think we can make some improvement on parser. For the following code: ```nushell let a = 3 a = 10 # should be error $a = 10 # another error ``` I think they can raise `ParseError`, so nushell doesn't need to move forward compiling IR block. # User-Facing Changes ```nushell let a = 3 a = 10 ``` Will raise parse error instead of compile error. # Tests + Formatting Added 1 test.
Nushell core libraries and plugins
These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.
Foundational libraries are split into two kinds of crates:
- Core crates - those crates that work together to build the Nushell language engine
- Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.
Plugins are likewise also split into two types:
- Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
- Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.