Add benchmark

Author: korthaj

example_test.go

@@ -11,7 +11,7 @@ func Example() {
 	// at a false-positives rate less than 0.5 percent.
 	blacklist := bloom.New(10000, 200)
 
-	// Add a string to the filter.
+	// Add an element to the filter.
 	url := "https://rascal.com"
 	blacklist.Add(url)
 

filter_test.go

@@ -57,3 +57,10 @@ func TestFilter(t *testing.T) {
 		}
 	}
 }
+
+func BenchmarkAdd(b *testing.B) {
+	filter := New(10000, 200)
+	for i := 0; i < b.N; i++ {
+		filter.Add("The quick brown fox jumps over the lazy dog.")
+	}
+}