Created
May 19, 2018 00:12
-
-
Save tralston/24ad7800b1ad578793b17b3d0bf5a727 to your computer and use it in GitHub Desktop.
[Constrain functions to specific unit types] #mathematica
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| f[x_]:=x | |
| f[5] ==> 5 | |
| f[x: Quantity[_, unit_]?(CompatibleUnitQ[#, "feet"] &)]:=x (* Important that parameters in list do not have underscore *) | |
| f[5] ==> f[5] | |
| f[Quantity[5, "feet"]] ==> 5 ft | |
| f[Quantity[5, "meters"]] ==> 5 m | |
| f[Quantity[5, "pound"]] ==> f[5 lb] |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment