pub type HandlerSignatureIr = (Vec<(String, TyId)>, Vec<String>, TyId, bool);Expand description
(params, given, ret, effectful) — lower_handler_signature_ir’s own
return shape, and lower_service_handler_signature_ir’s (#1187’s slice
5), reused as a named alias rather than a bare tuple at both call sites
once one of them (emit_service, bynk-emit/src/emitter/emit.rs) had to
spell it out in a function signature.