# Functions
FromPeerContext returns the peer information in ctx if it exists.
GlobalSelector returns global selector builder.
NewNode new node.
NewPeerContext creates a new context with peer information attached.
SetGlobalSelector set global selector builder.
# Variables
ErrNoAvailable is no available node.
# Structs
Default is composite selector.
DefaultBuilder is de.
DefaultNode is selector node.
DoneInfo is callback info when RPC invoke done.
Peer contains the information of the peer for an RPC, such as the address and authentication information.
# Interfaces
Balancer is balancer interface.
BalancerBuilder build balancer.
Builder build selector.
Node is node interface.
Rebalancer is nodes rebalancer.
ReplyMD is Reply Metadata.
Selector is node pick balancer.
WeightedNode calculates scheduling weight in real time.
WeightedNodeBuilder is WeightedNode Builder.
# Type aliases
DoneFunc is callback function when RPC invoke done.