<p class="rule">
A receive from an unbuffered channel is synchronized before the completion of
the corresponding send on that channel.
</p>

<p>
This program (as above, but with the send and receive statements swapped and
using an unbuffered channel):
</p>

<pre>
var c = make(chan int)
var a string

func f() {
	a = "hello, world"
	&lt;-c
}

func main() {
	go f()
	c &lt;- 0

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("SuggestCreator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

				switch {
				case errors.Is(rebalErr, context.Canceled):
					status = rebalStopped
					traceMsg = fmt.Sprintf("stopped at %s", now)
				case rebalErr == nil:
					status = rebalCompleted
					traceMsg = fmt.Sprintf("completed at %s", now)
				default:
					status = rebalFailed
					traceMsg = fmt.Sprintf("stopped at %s with err: %v", now, rebalErr)
				}

				z.rebalMu.Lock()

  public V remove(Object key) {
    Timestamped<V> stamped = cachingHashMap.remove(key);
    if (stamped != null) {
      V value = stamped.getValue();
      // `key` was in the cache, so it's a K.
      // (Or it's a weird case like a LinkedList in a Cache<ArrayList, ...>, but *shrug*.)
      @SuppressWarnings("unchecked")
      K castKey = (K) key;

      if (!isExpired(stamped)) {

                } finally {
                    if (systemHelper.isForceStop()) {
                        finishCrawling = true;
                        if (logger.isDebugEnabled()) {
                            logger.debug("Stopped indexUpdater.");
                        }
                    }
                }

                if (emptyListCount >= maxEmptyListCount) {
                    if (logger.isInfoEnabled()) {

	errorCounts := make(map[error]int)
	for _, err := range errs {
		if IsErrIgnored(err, ignoredErrs...) {
			continue
		}
		// Errors due to context cancellation may be wrapped - group them by context.Canceled.
		if errors.Is(err, context.Canceled) {
			errorCounts[context.Canceled]++
			continue
		}
		errorCounts[err]++
	}

	maxCnt := 0

			collectedErrors = append(collectedErrors, fmt.Errorf("could not validate `%s` exists in LDAP directory: %w", k, err))
			continue
		}
		if validatedDN == nil || !underBaseDN {
			skipped = append(skipped, k)
			continue
		}

		if validatedDN.NormDN != k {
			normalizedDNKeysMap[validatedDN.NormDN] = append(normalizedDNKeysMap[validatedDN.NormDN], k)
		}
	}

        // Setup mock SearchLogHelper that throws wrapped checked exception
        SearchLogHelper mockSearchLogHelper = new SearchLogHelper() {
            @Override
            public void storeSearchLog() {
                try {
                    throw new Exception("Checked exception");
                } catch (Exception e) {
                    throw new RuntimeException("Wrapped: " + e.getMessage(), e);
                }

        () -> new ClassSanityTester().doTestEquals(SetWrapper.class));
  }

  private abstract static class Wrapper {
    private final Object wrapped;

    Wrapper(Object wrapped) {
      this.wrapped = checkNotNull(wrapped);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      // In general getClass().isInstance() is bad for equals.

    public UnicodeString(final boolean zterm) {
        this.zterm = zterm;
    }

    /**
     * Constructs a UnicodeString by wrapping an existing unicode_string.
     *
     * @param rus
     *            wrapped string
     * @param zterm
     *            whether the string should be zero terminated
     */
    public UnicodeString(final rpc.unicode_string rus, final boolean zterm) {
        this.length = rus.length;