assertTrue(cycle.hasNext());
    cycle.remove();
    assertEquals(emptyList(), iterable);
    assertFalse(cycle.hasNext());
  }

  /** An Iterable whose Iterator is rigorous in checking for concurrent modification. */
  private static final class PickyIterable<E> implements Iterable<E> {
    final List<E> elements;
    int modCount = 0;

    PickyIterable(E... elements) {

    else:
      print('{} is not executable.  Is it the python binary?'.format(
          python_bin_path))
    environ_cp['PYTHON_BIN_PATH'] = ''

  # Convert python path to Windows style before checking lib and version
  if is_windows() or is_cygwin():
    python_bin_path = cygpath(python_bin_path)

  # Get PYTHON_LIB_PATH
  python_lib_path = environ_cp.get('PYTHON_LIB_PATH')
  if not python_lib_path:

# CL 122960043 encoding/xml: add InputOffset method to Decoder, Russ Cox <******@****.***>
pkg encoding/xml, method (*Decoder) InputOffset() int64

# CL 124940043 cmd/go, go/build: implement import comment checking, Russ Cox <******@****.***>
pkg go/build, const ImportComment = 4
pkg go/build, const ImportComment ImportMode
pkg go/build, type Package struct, ImportComment string

version enable myminio/$BUCKET elif [ $VERSIONING = false ] ; then echo "Suspending versioning for '$BUCKET'" ${MC} version suspend myminio/$BUCKET fi else echo "Bucket '$BUCKET' versioning unchanged." fi # At this point, the bucket should exist, skip checking for existence # Set policy on the bucket echo "Setting policy of bucket '$BUCKET' to '$POLICY'." ${MC} policy set $POLICY myminio/$BUCKET } # Try connecting to Minio instance {{- if .Values.tls.enabled }} scheme=https {{- else }} scheme=http {{-...

version enable myminio/$BUCKET elif [ $VERSIONING = false ] ; then echo "Suspending versioning for '$BUCKET'" ${MC} version suspend myminio/$BUCKET fi else echo "Bucket '$BUCKET' versioning unchanged." fi # At this point, the bucket should exist, skip checking for existence # Set policy on the bucket echo "Setting policy of bucket '$BUCKET' to '$POLICY'." ${MC} policy set $POLICY myminio/$BUCKET } # Try connecting to Minio instance {{- if .Values.tls.enabled }} scheme=https {{- else }} scheme=http {{-...

	g()
}
</pre>

<p>
it can happen that <code>g</code> prints <code>2</code> and then <code>0</code>.
</p>

<p>
This fact invalidates a few common idioms.
</p>

<p>
Double-checked locking is an attempt to avoid the overhead of synchronization.
For example, the <code>twoprint</code> program might be
incorrectly written as:
</p>

<pre>
var a string
var done bool

func setup() {

version enable myminio/$BUCKET elif [ $VERSIONING = false ] ; then echo "Suspending versioning for '$BUCKET'" ${MC} version suspend myminio/$BUCKET fi else echo "Bucket '$BUCKET' versioning unchanged." fi # At this point, the bucket should exist, skip checking for existence # Set policy on the bucket echo "Setting policy of bucket '$BUCKET' to '$POLICY'." ${MC} policy set $POLICY myminio/$BUCKET } # Try connecting to MinIO instance {{- if .Values.tls.enabled }} scheme=https {{- else }} scheme=http {{-...

version enable myminio/$BUCKET elif [ $VERSIONING = false ] ; then echo "Suspending versioning for '$BUCKET'" ${MC} version suspend myminio/$BUCKET fi else echo "Bucket '$BUCKET' versioning unchanged." fi # At this point, the bucket should exist, skip checking for existence # Set policy on the bucket echo "Setting policy of bucket '$BUCKET' to '$POLICY'." ${MC} policy set $POLICY myminio/$BUCKET } # Try connecting to MinIO instance {{- if .Values.tls.enabled }} scheme=https {{- else }} scheme=http {{-...

version enable myminio/$BUCKET elif [ $VERSIONING = false ] ; then echo "Suspending versioning for '$BUCKET'" ${MC} version suspend myminio/$BUCKET fi else echo "Bucket '$BUCKET' versioning unchanged." fi # At this point, the bucket should exist, skip checking for existence # Set policy on the bucket echo "Setting policy of bucket '$BUCKET' to '$POLICY'." ${MC} policy set $POLICY myminio/$BUCKET } # Try connecting to MinIO instance {{- if .Values.tls.enabled }} scheme=https {{- else }} scheme=http {{-...

version enable myminio/$BUCKET elif [ $VERSIONING = false ] ; then echo "Suspending versioning for '$BUCKET'" ${MC} version suspend myminio/$BUCKET fi else echo "Bucket '$BUCKET' versioning unchanged." fi # At this point, the bucket should exist, skip checking for existence # Set policy on the bucket echo "Setting policy of bucket '$BUCKET' to '$POLICY'." ${MC} policy set $POLICY myminio/$BUCKET } # Try connecting to MinIO instance {{- if .Values.tls.enabled }} scheme=https {{- else }} scheme=http {{-...