Should that be.... ?
"You can describe a piece of jewelry like:"
| ring |
ring := GoldJewelry new
weight: 4.1 grams;
carats: 18;
price: 275 dollars;
pinch yourself.
On Tue, Feb 17, 2015 at 10:41 AM, Sean P. DeNigris <s...@clipperadams.com>
wrote:
> I was in a jewelry store, and I realized how hard it is to figure out the
> markup on gold jewelry, so I did a little code kata...
>
> Loads in 4.0 with:
> Gofer it
> smalltalkhubUser: 'SeanDeNigris' project: 'SeansPlayground';
> configurationOf: 'GoldRush';
> loadDevelopment.
>
> (#GoldRushSpecification asClass>>#testAcceptance) browse.
>
> "You can describe a piece of jewelry like:"
> | ring |
> ring := GoldJewelry new
> weight: 4.1 grams;
> carats: 18;
> price: 275 dollars;
> yourself.
>
> "And then see how much of a premium you're paying over the gold's melt
> value
> e.g.:"
> ring markup should equal: ring price - expectedGoldValue.
> ring percentOverSpot percent should equal: ring price /
> expectedGoldValue -
> 1.
>
> "If you inspect a GoldJewelry with GT Tools, you will see a special "Gold"
> tab with the same calculated values (i.e. #markup and #percentOverSpot)"
> ____________________________________
>
> This was an interesting and fun test of Aconcagua, GT Tools, and Pharo 4.0
> :)
>
> n.b. it pulls the gold spot price off the web, updating daily.
>
> Have fun!
>
>
>
> -----
> Cheers,
> Sean
> --
> View this message in context:
> http://forum.world.st/ANN-Toy-Gold-Rush-tp4806070.html
> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
>
>
