defer func() {
		if debugPrint {
			fmt.Println("Mux", m.ID, "Handler took", time.Since(start).Round(time.Millisecond))
		}
		if r := recover(); r != nil {
			gridLogIf(ctx, fmt.Errorf("grid handler (%v) panic: %v", msg.Handler, r))
			err := RemoteErr(fmt.Sprintf("handler panic: %v", r))
			handlerErr = &err
		}
		if debugPrint {
			fmt.Println("muxServer: Mux", m.ID, "Returned with", handlerErr)
		}
	}()

	if resp.StatusCode != http.StatusOK {
		// uncomment this for debugging when needed.
		// reqBytes, _ := httputil.DumpRequest(req, false)
		// fmt.Println(string(reqBytes))
		// respBytes, _ := httputil.DumpResponse(resp, true)
		// fmt.Println(string(respBytes))
		return nil, errors.New(resp.Status)
	}

	claims := map[string]any{}
	if err = json.NewDecoder(resp.Body).Decode(&claims); err != nil {

        }

        this.macSigningKey = macSigningKey;
        this.bypass = bypass;
        this.updates = 0;
        this.signSequence = 0;

        if (LogStream.level >= 5) {
            log.println("macSigningKey:");
            Hexdump.hexdump(log, macSigningKey, 0, macSigningKey.length);
        }
    }

    /**
     * Constructs a new signing digest using transport and authentication credentials.
     *

            run("git", "checkout", commit, "--quiet", "--detach");
            String wrapperVersion = readWrapperVersion();
            System.out.println("Commit " + commit + " wrapper: " + wrapperVersion);
            if (!ALLOWED_WRAPPER_VERSION.matcher(wrapperVersion).matches()) {
                System.err.println(
                    "Bad wrapper version " + wrapperVersion + " used in commit " + commit

		go func() {
			if o.blockConnect != nil {
				<-o.blockConnect
			}
			c.connect()
		}()
	}
	if debugPrint {
		fmt.Println(c.Local, "->", c.Remote, "Should local connect:", c.shouldConnect(), "side:", c.side)
	}
	if debugReqs {
		fmt.Println("Created connection", c.String())
	}
	return c
}

// Subroute returns a static subroute for the connection.

			t.Fatalf("%d: %v", i, err)
		}
		// repr.Println(id, repr.Indent("  "), repr.OmitEmpty(true))
	}

	invalidCases := []string{
		"+a",
		"-a",
		"1a",
		`"ab`,
		`abc"`,
		`aa""a`,
		`"a"a"`,
	}
	for i, tc := range invalidCases {
		err := p.ParseString(tc, &id)
		if err == nil {
			t.Fatalf("%d: %v", i, err)
		}
		// fmt.Println(tc, err)
	}
}

import (
	"fmt"

	"github.com/smallnest/ringbuffer"
)

func main() {
	rb := ringbuffer.New(1024)

	// write
	rb.Write([]byte("abcd"))
	fmt.Println(rb.Length())
	fmt.Println(rb.Free())

	// read
	buf := make([]byte, 4)
	rb.Read(buf)
	fmt.Println(string(buf))
}
```

It is possible to use an existing buffer with by replacing `New` with `NewBuffer`.


# Blocking vs Non-blocking

			continue
		}
		r, err := parseGoroutineType2(arg)
		if err != nil {
			log.Fatal(err)
		}

		profFName := path.Base(arg)
		fmt.Println(strings.Repeat("=", len(profFName)))
		fmt.Println(profFName)
		fmt.Println(strings.Repeat("=", len(profFName)))
		fmt.Println("")

		for t, stacks := range r {
			if less != 0 && t >= less {
				continue
			}

            }
        }

        String baseSha = stdout("git", "merge-base", targetSha, prHead).trim();

        System.err.println("Target branch: " + targetBranch + " (" + targetSha + ")");
        System.err.println("PR head: " + prHead);
        System.err.println("Base: " + baseSha);

        // One SHA per line to stdout so callers can pipe safely.

		// fmt.Println("Unlocking dm1")

		dm1st.Unlock(t.Context())
	}()
	expect += 2 * testDrwMutexAcquireTimeout

	var wg sync.WaitGroup
	wg.Add(2)

	go func() {
		defer wg.Done()

		dm2nd.Lock(id, source)

		// Release lock after 10 seconds
		go func() {
			time.Sleep(2 * testDrwMutexAcquireTimeout)
			// fmt.Println("Unlocking dm2")