Make `A.partition` types aware of type guards

[bryanjswift]

It would be a lovely addition if partition were aware of type guard functions. Something like this

export function partition<A>(
  xs: ReadonlyArray<A>,
  predicate: (value: A) => boolean
): [A[], A[]];

export function partition<A, B extends A>(
  xs: ReadonlyArray<A>,
  predicate: (value: A) => value is B
): [B[], Exclude<A, B>[]];

I thought it might be sufficient to drop this in https://github.com/mobily/ts-belt/blob/master/src/Array/Array.ts but I'm not confident enough to open it as a PR without being able to test locally and the tooling for this project is new to me so I couldn't afford to invest the time in getting it set up yet.

[mobily]

It would be a lovely addition if partition were aware of type guard functions.

fully agree, I will look into it! 🚀

[mobily]

@bryanjswift fixed in v3.9.1 🚀

• types: https://github.com/mobily/ts-belt/blob/6d8a02c74c19ef2e0cc3afc20d66d02dad55f34a/src/Array/index.ts#L443
• tests: https://github.com/mobily/ts-belt/blob/master/__tests__/Array/partition.test.ts
• changelog: https://mobily.github.io/ts-belt/docs/changelog