> I have not seen others use Nim this way, what examples are there?

I use Nim's unicode support rather extensively.

  * [Unchained](https://github.com/SciNim/Unchained) (CT physical unit 
checking) (ab)uses unicode identifiers to construct products of units, e.g. 
`1.keV⁻¹•cm⁻²•s⁻¹` and the like
  * [Measuremancer](https://github.com/SciNim/Measuremancer) uses the support 
for some of the unicode characters that can act as infix characters to define 
measurements with uncertainties, `5.0 ± 1.0`. Also uses it internally for 
identifiers for derivatives, names with `∂` etc.
  * other libraries of mine use unicode symbols quite a bit where it makes 
sense from a physics perspective to keep symbols more in line with expectation, 
i.e. [xrayAttenuation](https://github.com/SciNim/xrayAttenuation) uses things 
like `λ` for wavelength, `ρ` for densities and so on



just to give some examples. 

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