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This is actually a common problem on mobile android devices prior to [android 8](https://issuetracker.google.com/issues/36907764). The numerical input is often prompting the keyboard with `.` instead of `,` even though the...

@patrickmichalina yeah, we can all build our own library, just kinda defeats the purpose :) Hmm, looking at your code, I think it also only handles `undefined` not null. Also...

@Ailrun looks good, but it it isn't type safe. Simple example is already the signature for `Maybe.from(value?: null): Nothing;`, it should infer the type base on the input parameter instead...

@Ailrun this is a bit out of scope but your library could infer the type based on the actual value like so `Maybe.from(value?: T): Nothing` which is the same as...