Vendor main dependencies.

vendor/github.com/eapache/channels/native_channel.go

@@ -0,0 +1,92 @@
+package channels
+
+// NativeInChannel implements the InChannel interface by wrapping a native go write-only channel.
+type NativeInChannel chan<- interface{}
+
+func (ch NativeInChannel) In() chan<- interface{} {
+	return ch
+}
+
+func (ch NativeInChannel) Len() int {
+	return len(ch)
+}
+
+func (ch NativeInChannel) Cap() BufferCap {
+	return BufferCap(cap(ch))
+}
+
+func (ch NativeInChannel) Close() {
+	close(ch)
+}
+
+// NativeOutChannel implements the OutChannel interface by wrapping a native go read-only channel.
+type NativeOutChannel <-chan interface{}
+
+func (ch NativeOutChannel) Out() <-chan interface{} {
+	return ch
+}
+
+func (ch NativeOutChannel) Len() int {
+	return len(ch)
+}
+
+func (ch NativeOutChannel) Cap() BufferCap {
+	return BufferCap(cap(ch))
+}
+
+// NativeChannel implements the Channel interface by wrapping a native go channel.
+type NativeChannel chan interface{}
+
+// NewNativeChannel makes a new NativeChannel with the given buffer size. Just a convenience wrapper
+// to avoid having to cast the result of make().
+func NewNativeChannel(size BufferCap) NativeChannel {
+	return make(chan interface{}, size)
+}
+
+func (ch NativeChannel) In() chan<- interface{} {
+	return ch
+}
+
+func (ch NativeChannel) Out() <-chan interface{} {
+	return ch
+}
+
+func (ch NativeChannel) Len() int {
+	return len(ch)
+}
+
+func (ch NativeChannel) Cap() BufferCap {
+	return BufferCap(cap(ch))
+}
+
+func (ch NativeChannel) Close() {
+	close(ch)
+}
+
+// DeadChannel is a placeholder implementation of the Channel interface with no buffer
+// that is never ready for reading or writing. Closing a dead channel is a no-op.
+// Behaves almost like NativeChannel(nil) except that closing a nil NativeChannel will panic.
+type DeadChannel struct{}
+
+func NewDeadChannel() DeadChannel {
+	return DeadChannel{}
+}
+
+func (ch DeadChannel) In() chan<- interface{} {
+	return nil
+}
+
+func (ch DeadChannel) Out() <-chan interface{} {
+	return nil
+}
+
+func (ch DeadChannel) Len() int {
+	return 0
+}
+
+func (ch DeadChannel) Cap() BufferCap {
+	return BufferCap(0)
+}
+
+func (ch DeadChannel) Close() {
+}