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Go's type assertion `x.(T)` does not follow Unwrap() http.ResponseWriter chains. Caddy wraps the writer multiple times (logging recorder, intercept, encode, etc.), so code that needs interfaces implemented only by the raw writer owned by the HTTP server — for example the http3.Settingser/HTTPStreamer interfaces that webtransport.Server.Upgrade type-asserts — cannot see through those wrappers. UnwrapResponseWriterAs walks the Unwrap() chain and returns the first writer that satisfies the requested interface (or the zero value if none do). Mirrors the traversal http.ResponseController performs internally. Used by upcoming WebTransport handler and reverse-proxy transport. |
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| .. | ||
| caddyevents | ||
| caddyfs | ||
| caddyhttp | ||
| caddypki | ||
| caddytls | ||
| filestorage | ||
| internal/network | ||
| logging | ||
| metrics | ||
| standard | ||