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udp: add UDPAddrFromAddrPort from Big Go implementation #49

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Merged
soypat merged 1 commit into from
Apr 16, 2026
Merged

udp: add UDPAddrFromAddrPort from Big Go implementation #49

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11 changes: 11 additions & 0 deletions udpsock.go
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,17 @@ func ResolveUDPAddr(network, address string) (*UDPAddr, error) {
return &UDPAddr{IP: ip.AsSlice(), Port: port}, nil
}

// UDPAddrFromAddrPort returns addr as a [UDPAddr]. If addr.IsValid() is false,
// then the returned UDPAddr will contain a nil IP field, indicating an
// address family-agnostic unspecified address.
func UDPAddrFromAddrPort(addr netip.AddrPort) *UDPAddr {
return &UDPAddr{
IP: addr.Addr().AsSlice(),
Zone: addr.Addr().Zone(),
Port: int(addr.Port()),
}
}

// UDPConn is the implementation of the Conn and PacketConn interfaces
// for UDP network connections.
type UDPConn struct {
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