Letter                           Value
A, E, I, O, U, L, N, R, S, T       1
D, G                               2
B, C, M, P                         3
F, H, V, W, Y                      4
K                                  5
J, X                               8
Q, Z                               10

Examples

"cabbage" should be scored as worth 14 points:

3 points for C
1 point for A, twice
3 points for B, twice
2 points for G
1 point for E

And to total:

3 + 2*1 + 2*3 + 2 + 1
= 3 + 2 + 6 + 3
= 5 + 9
= 14

Extensions

You can play a :double or a :triple letter.
You can play a :double or a :triple word.

To run the tests simply run the command go test in the exercise directory.

If the test suite contains benchmarks, you can run these with the -bench flag:

go test -bench .

For more detailed info about the Go track see the help page.

Source

Inspired by the Extreme Startup game view source