first commit

util/bits/pio/vec_test.go

@@ -0,0 +1,21 @@
+package pio
+
+import (
+	"fmt"
+)
+
+func ExampleVec() {
+	vec := [][]byte{[]byte{1, 2, 3}, []byte{4, 5, 6, 7, 8, 9}, []byte{10, 11, 12, 13}}
+	println(VecLen(vec))
+
+	vec = VecSlice(vec, 1, -1)
+	fmt.Println(vec)
+
+	vec = VecSlice(vec, 2, -1)
+	fmt.Println(vec)
+
+	vec = VecSlice(vec, 8, 8)
+	fmt.Println(vec)
+
+	// Output:
+}