Initial squashed commit

1 files changed, 18 insertions, 0 deletions

diff --git a/concat/slices.go b/concat/slices.go
new file mode 100644
index 0000000..daf8aae
--- /dev/null
+++ b/concat/slices.go
@@ -0,0 +1,18 @@
+package concat
+
+// Slices is a utility function to make appending multiple slices less painful and more efficient
+// Source: https://stackoverflow.com/questions/37884361/concat-multiple-slices-in-golang
+func Slices(slices ...[]byte) []byte {
+	var totalLen int
+	for _, s := range slices {
+		totalLen += len(s)
+	}
+	tmp := make([]byte, totalLen)
+	var i int
+	for _, s := range slices {
+		i += copy(tmp[i:], s)
+	}
+
+	return tmp
+}
+