MVFM

pino/trace

Log a trace-level message for fine-grained debugging

const app = mvfm(prelude, pino_);
const prog = app({ reqId: "string" }, ($) => {
  return $.begin(
    $.pino.trace({ reqId: $.input.reqId }, "entering handler"),
    $.input.reqId
  );
});
await fold(defaults(app), injectInput(prog, { reqId: "abc-123" }));
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