On Wed, Oct 30, 2013 at 10:32 AM, Konrad Hinsen <konrad.hin...@fastmail.net>wrote:
> Laurent writes: > > > Pushed: https://github.com/Metaxal/measures#4-dimensions-and-contracts > > This is getting better and better every day! The use of contracts looks > like the best way to do run-time dimensional analysis. > Thanks, that's mainly thanks to your feedback. My only remaining wish is to be able to define my own set of units and > prefixes, i.e. factor out the second half of convert.rkt. Unfortunately > this doesn't look straightforward, because it must be possible to > use multiple unit systems in the same Racket instance. It might actually > be best to have a specific module per unit system, as there are not > so many useful ones anyway. Each client module would then require the > module with the unit system it needs, i.e. measures/si or measures/atomic. > The units are now in a separate file but I did not try to build another base. But at least it's possible to require only measures/measure and measures/convert and define one's own set of dimensions and units. I also added the list of chemical elements (just for fun), parsed automatically from Wikipedia's page: https://github.com/Metaxal/measures#5-chemical-elements Laurent
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