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Discussion on: The Case for TS+

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Michael Arnaldi Author

The functions/values as in their material implementation is in library code, in this case what's shown is part of @tsplus/stdlib that you can use with or without the compiler fork and should be installed with classic npm/yarn, when using the compiler fork the same functions defined in stdlib (or any other packages like @effect/core, or your local code) are used as concrete implementations but additional syntax is generated and made available to use, the additional syntax includes fluent methods, operators, etc. Also when using the compiler fork your functions can specify derivation rules and values can be defined as implicit instances that are used when a call to Derive() is compiled in order to generate things like Encoder/Decoder/Guard/Equals and any custom typeclass that you may want.