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doc: Add a roadmap to the README

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Glen Whitney 2022-09-06 17:28:43 -04:00
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# typomath
Proof of concepts for a PocoMath-adjacent approach to a possible math.ts (TypeScript analogue of mathjs)
Proof of concepts for a PocoMath-adjacent approach to a possible math.ts (TypeScript analogue of mathjs)
Roadmap:
1. Install over.ts and get an example of add with number and bigint implementations working with it.
2. Use the builder pattern to get add working with its implmentations defined incrementally before producing the final overload.
3. Use the builder pattern to get a single object with both an add and a negate method, with both defined incrementally, working.
4. Incorporate a subtract method that works generically with both add and negate, with just one generic implementation.
5. Attempt to eliminate redundant specification of implementation signatures.
6. Incorporate multi-argument reducing implementation of add.
7. Actually split into multiple source files to make sure that works.
8. Add a template Complex type with add and subtract.
9. Define a sqrt method that depends on a literal constant non-mutable config object that has to be set before loading sqrt, but with two different imports that use different settings for the config.
10. Add a NumInt type to the existing methods. For reference in the case of positive numbers: https://stackoverflow.com/questions/71670965/how-do-i-assert-a-number-type-is-positive. One can make a similar template for integers, esp. using `${bigint}` in a template literal. But as the comments point out, this doesn't work for computed arguments, only literals. (I think there was a package or repository or other library of lots of such examples, but now I can't find it :-( but anyhow...). So I am not really sure how a type that can't really be precisely represented in TypeScript is going to work out in this approach... Maybe there is a way to automatically combine branded types with type guards. Check out newtype-ts, it has a type library with a bunch of branded types.
If we get that far, then math.ts is probably feasible.