gemath

I like the proposal except for these issues: - ``either orelse`` is yet another conditional syntax beside ``if`` and ``when``. - It seems to limit itself to defining API requirements...

> Well it's not the same as when. Using the same keywords for everything is faking simplicity. Valid point. What I meant was: it would be better to avoid a...

I hope Nim will not follow Rust too closely regarding coherence: there's an [issue](https://github.com/Ixrec/rust-orphan-rules/issues/17) at a documentation repo about Rusts's idea of coherence which demonstrates that the Rust people use...

Since ifaces are basically dynamic concepts (even more so with @Araq's upcoming new-style concepts), this should be done with `of`: ```nim import iface iface A: proc a(): string iface B:...