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

     */
    @Test
    void testNoNullRefConstant() {
        assertNotNull(NdrException.NO_NULL_REF, "NO_NULL_REF constant should not be null.");
        assertEquals("ref pointer cannot be null", NdrException.NO_NULL_REF, "NO_NULL_REF constant should have the expected value.");
    }

    /**
     * Test the INVALID_CONFORMANCE static field.

		fail("did not find mobile provision matching device udids %q", udids)
	}

	fmt.Println("# Available provisioning profiles below.")
	fmt.Println("# NOTE: Any existing app on the device with the app id specified by GOIOS_APP_ID")
	fmt.Println("# will be overwritten when running Go programs.")
	for _, mp := range mps {
		fmt.Println()
		f, err := os.CreateTemp("", "go_ios_detect_")
		check(err)
		fname := f.Name()

			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
			}

// Iterate through crawled data
dataService.iterate(sessionId, accessResult -> {
    System.out.println("URL: " + accessResult.getUrl());
    System.out.println("Status: " + accessResult.getHttpStatusCode());
    System.out.println("Content Type: " + accessResult.getMimeType());
    System.out.println("Content: " + accessResult.getContent());
    System.out.println("---");
});

// Get specific result

pkg reflect, method (StructTag) Lookup(string) (string, bool)
pkg runtime, func CallersFrames([]uintptr) *Frames
pkg runtime, func KeepAlive(interface{})
pkg runtime, func SetCgoTraceback(int, unsafe.Pointer, unsafe.Pointer, unsafe.Pointer)
pkg runtime, method (*Frames) Next() (Frame, bool)
pkg runtime, type Frame struct
pkg runtime, type Frame struct, Entry uintptr
pkg runtime, type Frame struct, File string

        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.
        System.out.print(stdout("git", "rev-list", baseSha + ".." + prHead));
    }

		// 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")