go: add Values type

algo/algo.go

@@ -8,6 +8,10 @@
 	"sync"
 )
 
+// Values type is just a fancy named []float64 that will allow us to define
+// methods over it.
+type Values []float64
+
 // DoRandomSearch executes a search using the 'Random search' method.
 func DoRandomSearch(wg *sync.WaitGroup) {
 	defer wg.Done()