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Add NetConn() net.Conn support for cast

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世界 2023-10-08 12:00:00 +08:00
parent 81c1436b69
commit d6fe25153c
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1 changed files with 9 additions and 0 deletions
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9
common/upstream.go
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@ -1,9 +1,15 @@
package common
import "net"
type WithUpstream interface {
Upstream() any
}
type stdWithUpstreamNetConn interface {
NetConn() net.Conn
}
func Cast[T any](obj any) (T, bool) {
if c, ok := obj.(T); ok {
return c, true
@ -11,6 +17,9 @@ func Cast[T any](obj any) (T, bool) {
if u, ok := obj.(WithUpstream); ok {
return Cast[T](u.Upstream())
}
if u, ok := obj.(stdWithUpstreamNetConn); ok {
return Cast[T](u.NetConn())
}
return DefaultValue[T](), false
}