grpc: make LbPolicyBuilder/LbPolicy generic and introduce Dyn wrappers#2557
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dfawley wants to merge 1 commit intohyperium:masterfrom
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grpc: make LbPolicyBuilder/LbPolicy generic and introduce Dyn wrappers#2557dfawley wants to merge 1 commit intohyperium:masterfrom
dfawley wants to merge 1 commit intohyperium:masterfrom
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This will enable us to make typed LB policies where there is potentially a tree of known types involved, including use cases like: - xDS, which has several stacked LB policies that are always the same - Lazy LB policy, which has a child which can be usefully typed Also: - Simplify error return types from LB policies to String - Replace LbConfig struct with a DynLbConfig type alias to Arc<dyn Any...> - Move subchannel definitions to a submodule to declutter load_balancing/mod.rs
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This will enable us to make typed LB policies where there is potentially a tree of known types involved, including use cases like:
Also: