feat(v3): per-operation function name overrides (#162) - #327
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Add x-go-send-func, x-go-subscribe-func, x-go-received-func, x-go-reply-func and x-go-request-func operation extensions that override the Go names of the generated Subscribe/Received/Reply/Send/Request functions. When unset, the default derived names are used, so existing generated code is unchanged. Fixes #162 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Issue
Fixes #162 — there was no way to override the Go names of the functions generated for an operation; they were always derived from the operation name.
Change
Adds five operation-level extensions (AsyncAPI v3) that each override one generated function name:
x-go-subscribe-funcSubscribeTo<Op>x-go-received-func<Op>Receivedsubscriber callbackx-go-reply-funcReplyTo<Op>x-go-send-funcSend{As,To}<Op>x-go-request-funcRequest{As,To}<Op>Each name is resolved through a template helper that returns the override (when set) or the exact previous default. Definitions, all call sites, and doc comments route through the helpers — including the internal reply-sender call, which resolves via the receive operation's
ReplyIsso request/reply cross-references stay consistent. Because the defaults are unchanged,go generate ./...produces no diff in existing golden files or examples.Test
test/v3/issues/162defines a request-replypingoperation carrying all five extensions. The suite implements the generatedAppSubscriberviaOnPingand referencesListenForPing/AnswerPing/PublishPing/AskPingas method expressions — it fails to compile before the change (those names don't exist) and passes after.🤖 Generated with Claude Code